World’s Population Living Longer, New Report Suggests

A sharp decline in deaths from malnutrition and diseases like measles and tuberculosis has caused a shift in global mortality patterns over the past 20 years, according to a new report, with far more of the world’s population now living into old age and dying from diseases more associated with rich countries, like cancer and heart disease.

The shift reflects improvements in sanitation, medical services and access to food throughout the developing world, as well as the success of broad public health efforts like vaccine programs. The results are dramatic: infant mortality has declined by more than half between 1990 and 2010, and malnutrition, the No. 1 risk factor for death and years of life lost in 1990, has fallen to No. 8.

At the same time, chronic diseases like cancer now account for about two out of every three deaths worldwide, up from just over half in 1990. Eight million people died of cancer in 2010, 38 percent more than in 1990. Diabetes claimed 1.3 million lives in 2010, double the number in 1990.

But while developing countries made big strides – the average age of death in Brazil and Paraguay, for example, jumped to 63 in 2010, up from 28 in 1970 – the United States stagnated. American women registered the smallest gains in life expectancy of all high-income countries between 1990 and 2010. The two years of life they gained was less than Cyprus, where women gained 2.3 years of life and Canada, where women gained 2.4 years. The slow increase caused American women to fall to 36th place in the report’s global ranking of life expectancy, down from 22nd in 1990.

“It’s alarming just how little progress there has been for women in the United States,” said Christopher Murray, director of the Institute for Health Metrics and Evaluation, a health research organizationfinanced by the Bill and Melinda Gates Foundation at the University of Washington that coordinated the report. Rising rates of obesity among American women and the legacy of smoking, a habit women in this country formed later than men, are among the factors contributing to the stagnation, he said.

The World Health Organization issued a statement Thursday saying that some of the estimates in the report differ substantially from those done by United Nations agencies, though others are similar. All comprehensive estimates of global mortality rely heavily on statistical modeling because only 34 countries – representing about 15 percent of the world’s population – produce quality cause-of-death data.

Health experts from more than 300 institutions contributed to the report, which measured disease and mortality for populations in more than 180 countries. It was published Thursday in the Lancet, a British health publication.

The one exception to the trend was sub-Saharan Africa, where infectious diseases, childhood illnesses and maternal causes of death still account for about 70 percent of all illness. In contrast, they account for just one-third in South Asia, and less than a fifth in all other regions. Sub-Saharan Africa also lagged in mortality gains, with the average age of death there rising by fewer than 10 years from 1970 to 2010, compared to a more than 25-year increase in Latin America, Asia and North Africa.

The change means that people are living longer, an outcome that public health experts praised. But it also raises troubling questions. Behavior affects people’s risks of developing noncommunicable diseases like cancer, heart disease and diabetes, and public health experts say it is far harder to get people to change their ways than to administer a vaccine that protects children from an infectious disease like measles.

“Adult mortality is a much harder task for the public health systems in the world,” said Colin Mathers, a senior scientist at the World Health Organization in Geneva. “It’s not something that medical services can address as easily.”

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E.U. Leaders Hail Accord on Banking Supervision

BRUSSELS — European Union leaders on Thursday hailed an agreement to place banks in the euro area under a single supervisor, calling it a concrete measure to maintain the viability of the currency as well as a step toward a broader economic union.

The deal’s importance “cannot be appreciated highly enough,” Chancellor Angela Merkel told the Bundestag, the lower house of the German Parliament.

“Europe and the euro area are providing proof that they are able to meet the challenges they face,” François Hollande, the French president, said in a statement.

In another sign of renewed efforts to shore up the euro, finance ministers and international officials approved the release of further aid to Greece, including long-delayed payments and other aid totaling nearly €50 billion, or $65 billion, that is crucial for the government to avoid defaulting on its debts.

“The sacrifices of the Greek people have not been in vain,” Prime Minister Antonis Samaras said, referring to stringent austerity measures Greece had adopted in order to obtain the aid.

“Today is not only a new day for Greece, it is indeed a new day for Europe,” Mr. Samaras said in Brussels ahead of a two-day summit meeting of European leaders.

The agreement on new banking supervision would put between 100 and 200 major banks under the direct oversight of the European Central Bank, leaving thousands of smaller institutions to be overseen primarily by national regulators.

But E.U. finance ministers, who reached a deal after meeting for 14 hours late Wednesday and early Thursday, insisted that the E.C.B. would be able to take over supervision of any bank in the euro area at any time.

Mario Draghi, the president of the central bank, said the agreement “marks an important step towards a stable economic and monetary union, and toward further European integration.”

Mr. Draghi added that governments and the European Commission still had to work on the details of the supervision mechanism, which is to be fully operational by March 2014.

The system must also be approved by the European Parliament and national legislatures before it goes into effect.

The new system is intended to strengthen oversight of a sector that, under the supervision of national regulators, failed to prevent banks from accumulating so much debt that they put at risk the finances of euro zone states including Ireland and Spain, in turn threatening the future of the currency.

The agreement on banking supervision was expected to act as a springboard for European leaders to discuss later on Thursday steps leading to a broader banking union. Such measures would include a unified system, and perhaps shared resources, to ensure failing banks are closed in an orderly fashion. This would be followed, in time, by measures intended to reinforce economic and monetary union, including, possibly, the creation of a fund that could be used to shore up the economies of vulnerable members of the euro zone.

To win France’s agreement on the new banking supervisor, finance ministers agreed that only banks holding more than €30 billion in assets, or assets greater than 20 percent of their country’s gross domestic product, would be directly regulated by the E.C.B. Previously, France and the European Commission had asked that all 6,000 banks in the euro area should be closely regulated by the central bank.

Germany, facing pressure from a powerful domestic banking lobby trying to shield many small savings banks from closer scrutiny, had sought a reduced remit for the E.C.B. In the end, Germany agreed to allow the central bank to step in and take over supervision of any bank in the euro area at its discretion.

The Germans also had concerns that the central bank could be tempted to alter its decisions on monetary policy to make its supervisory job easier. As a compromise, Germany agreed that member states would be given greater scope than originally foreseen to challenge central bank decisions.

“We succeeded in securing Germany’s key demands,” Ms. Merkel said in Berlin. There would be a “clear separation” between the central bank’s responsibility for monetary policy and for oversight, she added.

Britain, which is not a member of the euro zone, had sought assurances that the new banking supervisor would not have influence over British banks operating abroad or banks operating in the City of London.

Britain agreed to a formula that should free it and other E.U. members outside the euro zone from most, but probably not all, rule-making by the E.C.B. These countries will also be able to challenge E.C.B. decisions on cross-border banking.

“The safeguards we have secured protect Britain’s interests and the integrity of the European single market,” said the chancellor of the Exchequer, George Osborne. “It shows that when Britain takes a tough stance but based on strong principle, Britain can win the argument and protect our interests.”

For countries including Spain and Ireland, the supervisor is a prerequisite for a new European bailout fund to provide aid directly to their troubled banks. That would allow those governments to avoid weighing down their national balance sheets with yet more debt..

But any direct recapitalization of banks is only likely to go ahead during 2014, once the supervisor is fully operating, and well after a German general election in October 2013. Still to be clarified is whether the aid could go to banks that have already run into trouble, or whether it would be used only to help lenders that falter in the future.

Providing direct support to banks is a sensitive matter for German taxpayers, who have grown weary of footing most of the bill for the euro zone’s bailouts.

Melissa Eddy contributed reporting from Berlin and Niki Kitsantonis from Athens.

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Ravi Shankar, sitar master, dies at 92

Ravi Shankar was already revered as a master of the sitar in 1966 when he met George Harrison, the Beatle who became his most famous disciple and gave the Indian musician-composer unexpected pop-culture cachet.

Suddenly the classically trained Shankar was a darling of the hippie movement, gaining widespread attention through memorable performances at the Monterey Pop Festival, Woodstock and the 1971 Concert for Bangladesh.

Harrison called him "the godfather of world music," and the great violinist Yehudi Menuhin once compared the sitarist's genius to Mozart's. Shankar continued to give virtuoso performances into his 90s, including one in 2011 at Walt Disney Concert Hall.

PHOTOS: Ravi Shankar | 1920 - 2010

Shankar, 92, who introduced Indian music to much of the Western world, died Tuesday at a hospital near his home in Encinitas. Stuart Wolferman, a publicist for his record label Unfinished Side Productions, said Shankar had undergone heart valve replacement surgery last week.

Well-established in the classical music of his native India since the 1940s, he remained a vital figure on the global music stage for six decades. Shankar is the father of pop music star Norah Jones and Anoushka Shankar, his protege and a sitar star in her own right.

Before the 1950s, Indian classical music — with its improvised melodic excursions and complex percussion rhythms — was virtually unknown in America. If Shankar had done nothing more than compose the movie scores for Indian filmmaker Satyajit Ray's "Apu" trilogy in the 1950s, he "would be remembered and revered," Times music critic Mark Swed wrote last fall.

PHOTOS: Notable deaths of 2012

Shankar was on a path to international stardom during the 1950s, playing the sitar in the Soviet Union and debuting as a soloist in Western Europe and the United States. Two early albums also had considerable impact, "Three Classical Ragas" and "India's Master Musician."

During his musical emergence in the West, his first important association was with violinist Menuhin, whose passion for Indian music was ignited by Shankar in 1952. Their creative partnership peaked with their "West Meets East" release, which earned a Grammy Award in 1967. The recording also showed Shankar's versatility — and the capacity of Indian music to inspire artists from different creative disciplines.

He presented a new form of classical music to Western audiences that was based on improvisation instead of written compositions. Shankar typically played in the Hindustani classical style, in which he was accompanied by a player of two tablas, or small hand drums. Concerts in India that often lasted through the night were generally shortened to a few hours for American venues as Shankar played the sitar, a long-necked lute-like stringed instrument.

At first, he especially appealed to fans of jazz music drawn to improvisation. He recorded "Improvisations" (1962) with saxophonist Bud Shank and "Portrait of a Genius" (1964) with flutist Paul Horn, gave lessons to saxophonist John Coltrane (who named his saxophone-playing son Ravi), and wrote a percussion piece for drummer Buddy Rich and Alla Rakha.

On the Beatles' 1965 recording "Norwegian Wood," Harrison had played the sitar and met Shankar the next year in London.

Shankar was "the first person to impress me," among the impressive people the Beatles met, "because he didn't try to impress me," Harrison later said. The pair became close and their friendship lasted until Harrison's death in 2001.

Harrison was instrumental in getting Shankar booked at the now legendary Monterey Pop Festival in 1967. They partnered in organizing the Concert for Bangladesh and were among the producers who won a Grammy in 1972 for the subsequent album. They toured together in 1974, and Harrison produced Shankar's career-spanning mid-1990s boxed set, "In Celebration."

But Shankar came away from his festival appearances with mixed feelings about his rock generation followers. He expressed hope that his performances might help young people better understand Indian music and philosophy but later said "they weren't ready for it."

"All the young people got interested … but it was so mixed up with superficiality and the fad and the drugs," Shankar told The Times in 1996. "I had to go through several years to make them understand that this is a disciplined music, needing a fresh mind."

When Shankar was criticized in India as a sellout for spreading his music in the West, he responded in the early 1970s by lowering his profile and reaffirming his classical roots. He followed his first concerto for sitar and orchestra in 1971 with another a decade later.

"Our music has gone through so much development," Shankar told The Times in 1997. "But its roots — which have something to do with its feelings, the depth from where you bring out the music when you perform — touch the listeners even without their knowing it."

In the 1980s and '90s, Shankar maintained a busy performing schedule despite heart problems. He recorded "Tana Mana," an unusual synthesis of Indian music, electronics and jazz; oversaw the American premiere of his ballet, "Ghyanshyam: The Broken Branch"; and collaborated with composer Philip Glass on the album "Passages."

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Viddy Brings 'Instagram for Video' to Android

Viddy, the popular social video app that wants to be “Instagram for video,” is finally available on Android. Its arrival this morning in the Google Play storefront comes about a year and a half after it hit iOS, and it couldn’t come at a better time.

Although the iOS version claimed the “most downloaded” spot at the App Store earlier this year and the company brought in $30 million in investments from the likes of Twitter co-founder Biz Stone, singer Shakira and Roc Nation, Viddy has seen its daily unique visitors decline. Still, the number of registered users has grown from 10 million in April to 40 million registered users as of this month, suggesting there is a whole lot of growth potential.

“We don’t look at it like the stock market,” co-founder and CEO Brett O’Brien said of Viddy’s user base. “We don’t look at the macro trends. We look at the fact that almost every smartphone nowadays has an HD camera on it. And people are getting more and more used to sharing video, socially. We’re just heads down, continuing to innovate and iterate with the product, expand across more platforms and expand internationally. I look at the category and it’s still one of the fastest-growing categories on the internet.”

O’Brien said he believes that, over the next few months, Android could deliver double the 40 million registered iOS users the company currently has. But making Viddy the next Instagram or even the next Twitter can’t be done on iOS alone. After all, about 480 million Android devices have been activated over the last five years. Another 1.3 million are activated each day.

“Being on Android is hugely important for us,” O’Brien told Wired. “It’s a major opportunity for us — it’s the other half of the smartphone world, really. And, if you look at our competition, there’s really nothing like this on Android. There are a bunch of video apps and social apps on iOS, but nothing like Viddy on Android.”

Indeed, a look through Google Play shows that no social video apps quite match the polish that Viddy’s Android iteration delivers. Viddy on Android is just as good as it is on iOS. It looks and works great. Helping Viddy’s case, is the fact its biggest rival, AutoDesk’s Socialcam, last updated its Android app Aug. 15.

While Socialcam allows for unlimited video uploads and the ability to share videos of any length, Viddy’s app is stocked full of filters that add a vintage and filmic look to videos that are confined to 15-second clips. Now, Viddy will find out whether or not Android users will show up and take to Viddy.

“We’ve spent the last six months building our Android app and we’re really proud of it,” O’Brien said. “We wanted to do it right, and doing it right required a lot of time to pull off the same special effects, to maintain our UI, our user experience.”

Part of the reason it took Viddy so long to land on Android was a push to make it work with consistency across across 735 different Android smartphones and tablets, he said, adding that “Android has a lot of technical challenges because of all the different form factors and hardware variation, but it we think we’ve done right.”

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‘Lincoln,’ ‘Les Mis,’ ‘Playbook’ lead SAG awards

LOS ANGELES (AP) — The Civil War saga “Lincoln,” the musical “Les Miserables” and the comic drama “Silver Linings Playbook” boosted their Academy Awards prospects Wednesday with four nominations apiece for the Screen Actors Guild Awards.

All three films were nominated for overall performance by their casts. Also nominated for best ensemble cast were the Iran hostage-crisis thriller “Argo” and the British retiree adventure “The Best Exotic Marigold Hotel.”

Directed by Steven Spielberg, “Lincoln” also scored individual nominations for Daniel Day-Lewis in the title role as best actor, Sally Field for supporting actress as Mary Todd Lincoln and Tommy Lee Jones for supporting actor as abolitionist firebrand Thaddeus Stevens.

“Les Miserables,” from “The King’s Speech” director Tom Hooper, had nominations for Hugh Jackman for best actor as Victor Hugo’s long-suffering hero Jean Valjean and Anne Hathaway for supporting actress as a woman fallen into prostitution, plus a nomination for its stunt ensemble.

“Silver Linings Playbook,” made by “The Fighter” director David O. Russell, also had lead-acting nominations for Bradley Cooper and Jennifer Lawrence as lost souls who find a second chance at love and Robert De Niro for supporting actor as a football-obsessed dad.

Besides Lawrence, best-actress nominees are Jessica Chastain as a CIA analyst pursuing Osama bin Laden in “Zero Dark Thirty”; Marion Cotillard as a woman who finds romance after tragedy in “Rust and Bone”; Helen Mirren as Alfred Hitchcock’s strong-willed wife in “Hitchcock”; and Naomi Watts as a woman caught in the devastation of a tsunami in “The Impossible.”

Joining Cooper, Day-Lewis and Jackman in the best-actor field are John Hawkes as a polio victim aiming to lose his virginity in “The Sessions” and Denzel Washington as a boozy airline pilot in “Flight.”

SAG nominees are almost all familiar names in Hollywood’s awards season. Eighteen of the 20 film acting contenders are past Academy Awards nominees and 13 have won Oscars, among them five two-time winners. Only Cooper and Jackman have never before earned Oscar nominations.

One of the year’s most-acclaimed films, Paul Thomas Anderson’s “The Master,” earned only one nomination, supporting actor for Philip Seymour Hoffman as a mesmerizing cult leader. The film was snubbed on nominations for ensemble, lead actor Joaquin Phoenix and supporting actress Amy Adams.

Other individual performances overlooked by SAG voters include Anthony Hopkins in the title role of “Hitchcock,” Keira Knightley in the title role of “Anna Karenina,” Bill Murray as Franklin Roosevelt in “Hyde Park on Hudson” and “Argo” director Ben Affleck, who also starred in the film.

The SAG Awards will be presented Jan. 27. The guild nominations are one of Hollywood’s first major announcements on the long road to the Feb. 24 Oscars Awards, whose nominations will be released Jan. 10.

Nominations for the Golden Globes, the second-biggest film honors after the Oscars, come out Thursday.

Maggie Smith had four individual and ensemble nominations. Along with sharing the ensemble honor for “Best Exotic Marigold Hotel,” Smith joined the cast of “Downton Abbey” among TV ensemble contenders and had nominations for supporting film actress as a cranky retiree in “Marigold Hotel” and TV drama actress for “Downton Abbey.”

Nicole Kidman earned two individual nominations, as supporting film actress as a woman smitten with a prison inmate in “The Paperboy” and best actress in a TV movie or miniseries as war correspondent Martha Gellhorn in “Hemingway & Gellhorn.”

Bryan Cranston had three overall nominations, as best actor in a TV drama for “Breaking Bad,” an ensemble honor for that show and a film ensemble honor for “Argo.”

Along with “Breaking Bad” and “Downton Abbey,” best TV drama ensemble contenders are “Boardwalk Empire,” ”Homeland” and “Mad Men.” TV comedy ensemble nominees are “30 Rock,” ”The Big Bang Theory,” ”Glee,” ”Modern Family,” ”Nurse Jackie” and “The Office.”

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Online:

http://www.sagawards.org

Entertainment News Headlines – Yahoo! News

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States pressed to guarantee Medicaid expansion

WASHINGTON — The Obama administration stepped up pressure on states Monday to guarantee insurance for all their low-income residents in 2014 under the new healthcare law, warning governors that the federal government would not pick up the total cost of partially expanding coverage.

"We continue to encourage all states to fully expand their Medicaid programs and take advantage of the generous federal matching funds to cover more of their residents," Health and Human Services Secretary Kathleen Sebelius wrote in a letter to governors.

But Sebelius indicated that governors who do not open their Medicaid programs to all eligible low-income residents would forfeit some of the federal aid promised by the Affordable Care Act.

"The law does not provide for a phased-in or partial expansion," the Department of Health and Human Services said in guidance accompanying Sebelius' letter.

Medicaid has become a major issue in the implementation of the law since the U.S. Supreme Court ruled in June that states can decide whether to expand their Medicaid programs in 2014.

The law originally required the states to open Medicaid to all Americans who earn less than 138% of the federal poverty level, a major change for a program that now largely covers poor children and mothers.

To ease the expansion, the law initially provides full federal funding to cover the new population. Currently, Medicaid costs are split between state and federal governments.

Nonetheless, several Republican governors have said they won't expand Medicaid, citing cost concerns. That prompted speculation that some states might partially expand Medicaid programs. But Obama administration officials said Monday the law did not authorize full federal funding for a more limited expansion.

A state that opens Medicaid to only some new low-income residents would qualify for reduced federal aid, requiring the state to come up with the remainder of the funding.

How the guidance will affect state decisions remains unclear.

Alan Weil, president of the National Academy for State Health Policy, said state leaders probably would not make final decisions until they worked out 2014 budgets next year. "A lot of what we have seen so far is posturing," he said.

But the administration's announcement drew quick criticism from the Republican Governors Assn.

"The Obama administration's refusal to grant states more flexibility on Medicaid is as disheartening as it is short-sighted," said Louisiana Gov. Bobby Jindal, the group's chairman. Jindal has said he will not expand Medicaid in his state.

In contrast, the administration's move was applauded by the National Assn. of Public Hospitals and Health Systems, whose members care for millions of the nation's uninsured, often without compensation. Dr. Bruce Siegel, the association president, said it "takes an important step toward significantly reducing the ranks of the uninsured."

The Obama administration is facing additional resistance from several Republican governors who have said they won't set up insurance exchanges — a cornerstone of the law that will allow Americans who don't get health benefits at work to shop for insurance plans that meet new minimum standards. The federal government can set up exchanges for states that refuse to do so.

Also Monday, Colorado, Connecticut, Massachusetts, Maryland, Oregon and Washington got conditional federal approval to operate their own exchanges. The six were the first to apply, and administration officials said approval for other states, including California, would probably follow.

noam.levey@latimes.com

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Redesign Brings (Some) Gmail Smarts to Yahoo Mail

Yahoo’s new CEO, Marissa Mayer, is bringing a bit of her old employer’s famous design simplicity to Yahoo’s most-used service, Yahoo Mail.

The revamped Yahoo Mail web interface bears more than a passing resemblance to Gmail and is now joined by dedicated mobile apps for iOS and Windows 8, as well as a redesigned Android app.

If you’re not seeing the new web version just yet, Mayer says the new version will be rolling out “over the next few days.” You can grab the iOS, Android and Windows 8 apps from their respective stores. (Note that the iOS app is iPhone/iPod touch only.)

The revamped Yahoo Mail is unlikely to bring home any prizes for originality, taking most of its design cues from Gmail, but it does offer a considerably cleaner interface across web and mobile apps. Mayer says the focus of the redesign was on speed and claims that “getting through your e-mails is faster than ever before.”

The changes are primarily cosmetic; the underlying functionality of Yahoo Mail remains largely the same. That said, Yahoo Mail has dispensed with some of its more annoying design decisions — for example, when you login you’ll now land in your inbox rather than being dumped on an intro page. The new look also cuts down on the overall clutter of the web-based interface and reduces the number of clicks it takes to perform common tasks.

Unfortunately the free version of Yahoo Mail still lacks several features you’ll find in competitors like Gmail or Outlook.com, most notably POP/IMAP access (for desktop mail clients) and automatic e-mail forwarding. If you need POP/IMAP access (for example, to use your mobile device’s built-in mail client) or ever want to automatically forward your mail to another account you’ll need to sign up for Yahoo Mail Plus, which runs $20 per year. (If you know what you’re doing you can use a proxy service to access Yahoo’s free version via IMAP.)

Existing Yahoo Mail users may benefit from the redesigned interface and new mobile apps, but cosmetic changes alone are unlikely to win many converts from Gmail or Outlook.com. Coming from Google, Mayer undoubtedly knows that Yahoo Mail still can’t compete with Gmail on power user features, but she concludes her post with the promise that the revamped look of Yahoo Mail is “just the beginning.”

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Rate of Childhood Obesity Falls in Several Cities

Jessica Kourkounis for The New York Times

At William H. Ziegler Elementary in Northeast Philadelphia, students are getting acquainted with vegetables and healthy snacks.

PHILADELPHIA — After decades of rising childhood obesity rates, several American cities are reporting their first declines.

The trend has emerged in big cities like New York and Los Angeles, as well as smaller places like Anchorage, Alaska, and Kearney, Neb. The state of Mississippi has also registered a drop, but only among white students.

“It’s been nothing but bad news for 30 years, so the fact that we have any good news is a big story,” said Dr. Thomas Farley, the health commissioner in New York City, which reported a 5.5 percent decline in the number of obese schoolchildren from 2007 to 2011.

The drops are small, just 5 percent here in Philadelphia and 3 percent in Los Angeles. But experts say they are significant because they offer the first indication that the obesity epidemic, one of the nation’s most intractable health problems, may actually be reversing course.

The first dips — noted in a September report by the Robert Wood Johnson Foundation — were so surprising that some researchers did not believe them.

Deanna M. Hoelscher, a researcher at the University of Texas, who in 2010 recorded one of the earliest declines — among mostly poor Hispanic fourth graders in the El Paso area — did a double-take. “We reran the numbers a couple of times,” she said. “I kept saying, ‘Will you please check that again for me?’ ”

Researchers say they are not sure what is behind the declines. They may be an early sign of a national shift that is visible only in cities that routinely measure the height and weight of schoolchildren. The decline in Los Angeles, for instance, was for fifth, seventh and ninth graders — the grades that are measured each year — between 2005 and 2010. Nor is it clear whether the drops have more to do with fewer obese children entering school or currently enrolled children losing weight. But researchers note that declines occurred in cities that have had obesity reduction policies in place for a number of years.

Though obesity is now part of the national conversation, with aggressive advertising campaigns in major cities and a push by Michelle Obama, many scientists doubt that anti-obesity programs actually work. Individual efforts like one-time exercise programs have rarely produced results. Researchers say that it will take a broad set of policies applied systematically to effectively reverse the trend, a conclusion underscored by an Institute of Medicine report released in May.

Philadelphia has undertaken a broad assault on childhood obesity for years. Sugary drinks like sweetened iced tea, fruit punch and sports drinks started to disappear from school vending machines in 2004. A year later, new snack guidelines set calorie and fat limits, which reduced the size of snack foods like potato chips to single servings. By 2009, deep fryers were gone from cafeterias and whole milk had been replaced by one percent and skim.

Change has been slow. Schools made money on sugary drinks, and some set up rogue drink machines that had to be hunted down. Deep fat fryers, favored by school administrators who did not want to lose popular items like French fries, were unplugged only after Wayne T. Grasela, the head of food services for the school district, stopped buying oil to fill them.

But the message seems to be getting through, even if acting on it is daunting. Josh Monserrat, an eighth grader at John Welsh Elementary, uses words like “carbs,” and “portion size.” He is part of a student group that promotes healthy eating. He has even dressed as an orange to try to get other children to eat better. Still, he struggles with his own weight. He is 5-foot-3 but weighed nearly 200 pounds at his last doctor’s visit.

“I was thinking, ‘Wow, I’m obese for my age,’ ” said Josh, who is 13. “I set a goal for myself to lose 50 pounds.”

Nationally, about 17 percent of children under 20 are obese, or about 12.5 million people, according to the Centers for Disease Control and Prevention, which defines childhood obesity as a body mass index at or above the 95th percentile for children of the same age and sex. That rate, which has tripled since 1980, has leveled off in recent years but has remained at historical highs, and public health experts warn that it could bring long-term health risks.

Obese children are more likely to be obese as adults, creating a higher risk of heart disease and stroke. The American Cancer Society says that being overweight or obese is the culprit in one of seven cancer deaths. Diabetes in children is up by a fifth since 2000, according to federal data.

“I’m deeply worried about it,” said Francis S. Collins, the director of the National Institutes of Health, who added that obesity is “almost certain to result in a serious downturn in longevity based on the risks people are taking on.”

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DealBook: 3 Men Arrested in Rate-Rigging Inquiry

10:24 a.m. | Updated LONDON – British authorities made the first arrests in the global investigation into interest-rate manipulation, an inquiry that has ensnared the world’s biggest banks.

The Serious Fraud Office of Britain said on Tuesday that it had arrested three people in connection with rate rigging. The three men, who are aged between 33 and 47 and are British citizens, were taken into custody by police in early morning raids at their houses on the outskirts of London.

One of the people is Thomas Hayes, a 33-year-old former trader at Citigroup and UBS, according to people with knowledge of the matter. At least one of the other two men worked for R P Martin, a British brokerage firm that previously surfaced in the Canadian investigation into rate manipulation, another person briefed on the matter said.

British criminal authorities typically make arrests at the early stages of an inquiry, and the actions do not necessarily mean the individuals will be charged with any wrongdoing. A Citigroup spokeswoman declined to comment. A UBS spokesman declined to comment. A lawyer for Mr. Hayes could not immediately be identified.

The arrests mark a new phase of the sprawling rate-rigging inquiry.

Regulators around the world are investigating more than a dozen big banks that help set benchmarks like the London interbank offered rate, or Libor. Such benchmark rates are used to determine the borrowing costs for trillions of dollars of financial products, including credit cards, student loans and mortgages.

In June, the British bank Barclays agreed to pay $450 million to settle charges that some of its traders attempted to manipulate Libor to bolster profits. Authorities also accused Barclays of submitting low rates to deflect concerns about its health during the financial crisis. The scandal prompted the resignations of top bank officials, including the chief executive, Robert E. Diamond Jr.

Libor Explained

Regulators are now pursuing a number of criminal and civil cases.

The Royal Bank of Scotland is talks with authorities. The bank said it would likely disclose fines before its next earnings report in February.

The Swiss bank UBS is close to finalizing a settlement deal with American and British authorities. The bank is expected to pay more than $450 million to settle claims that some employees reported false rates to increase its profit. When American authorities announce their case against UBS in the coming days, Mr. Hayes is expected to figure prominently, one of the officials said.

Mr. Hayes built his reputation as a trader at UBS. He worked at the Swiss bank from about 2006 to 2009, before departing for Citigroup.

But his career at Citi was short-lived. In 2010, the bank suspended him after he approached a London trading desk about improperly influencing the Yen-denominated Libor rates, a person briefed on the matter said. He was fired in September 2010, and the bank reported his suspected actions to authorities.

UBS also implicated Mr. Hayes to authorities, according to another person briefed on the matter. The Swiss bank discovered that Mr. Hayes worked with traders at other banks to influence rates, according to officials and court documents.

Mr. Hayes emerged in court documents this year filed by Canadian authorities. The documents — collected by Canada’s Competition Bureau, the country’s anti-trust authority – highlight an alleged scheme in which Mr. Hayes and other traders colluded to push Yen Libor rates up and down. The Canadian investigation, which spans conduct from 2007 to 2010, also referenced traders at JPMorgan Chase HSBC, Deutsche Bank and the Royal Bank of Scotland.

The traders, the documents said, at times corresponded via instant messages on Bloomberg machines. While the flurry of activity took place outside Canada, the trading affected financial contracts in the country that were pegged to Yen Libor.

“Traders at participants banks communicated with each other their desire to see a higher or lower Yen Libor to aid their trading positions,” the Canadian documents said.

The traders also relied on middlemen at brokerage firms “to use their influence” on other banks that set Libor, according to the documents. The brokers included employees at R P Martin, a person briefed on the matter said.

Under British law, Mr. Hayes and the other men can be held for 24 hours. The authorities can then apply for an extension if they need more time for questioning.

The Serious Fraud Office started a criminal investigation into Libor manipulation in July, in response to the furor over the rate-rigging scandal at Barclays. The criminal investigations by the British authorities and their counterparts at the Justice Department parallel similar civil inquiries by international authorities, including the Commodity Futures Trading Commission and the Financial Services Authority, the British regulator.

The arrests come as the agency tries to repair it reputation. In April, the new director of the Serious Fraud Office, David Green, pledged overhaul the office after a series of mistakes by the organization.

Legal professionals say the appointment is a step toward rejuvenating the agency, which has lacked significant firepower to police London’s financial services section. The Serious Fraud Office has been given extra resources by the British government to pursue a criminal investigation related to Libor.

“The S.F.O. works incredibly slowly,” said a defense lawyer representing individuals implicated in the Libor inquiry, who spoke on the condition of anonymity because of the ongoing investigation. “It’s not surprising that people have been arrested. But how long it will take to lead to criminal charges is another matter.”

Azam Ahmed contributed reporting.

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Latin music star Jenni Rivera believed dead in plane crash

Fans of Mexican-American singing star Jenni Rivera held a vigil Sunday night in Lynwood

MEXICO CITY — Mexican American singer Jenni Rivera, the "diva de la banda" whose commanding voice burst through the limits of regional Latin music and made her a cross-border sensation and the queen of a business empire, was believed to have died Sunday when the small jet carrying her and members of her entourage crashed in mountainous terrain.

Rivera, a native of Long Beach, was 43. Mexico's ministry of transportation did not confirm her death outright, but it said that she had been aboard the plane and that no one had survived the crash. Six others, including two pilots, also were on board.

"Everything suggests, with the evidence that's been found, that it was the airplane that the singer Jenni Rivera was traveling in," said Gerardo Ruiz Esparza, Mexico's secretary of communications and transportation. Of the crash site, Ruiz said: "Everything is destroyed. Nothing is recognizable."

Word of the accident ricocheted around the entertainment industry, with performer after performer expressing shock and grief. Fans gathered outside Rivera's four-acre estate in Encino.

"She was the Diana Ross of Mexican music," said Gustavo Lopez, an executive vice president at Universal Music Latin Entertainment, an umbrella group that includes Rivera's label. Lopez called Rivera "larger than life" and said that based on ticket sales, she was by far the top-grossing female artist in Mexico.

"Remember her with your heart the way she was," her father, Don Pedro Rivera, told reporters in Spanish on Sunday evening. "She never looked back. She was a beautiful person with the whole world."

Rivera had performed a concert in Monterrey, Mexico, on Saturday night — her standard fare of knee-buckling power ballads, pop-infused interpretations of traditional banda music and dizzying rhinestone costume changes.

At a news conference after the show, Rivera appeared happy and tranquil, pausing at one point to take a call on her cellphone that turned out to be a wrong number. She fielded questions about struggles in her personal life, including her recent separation from husband Esteban Loaiza, a professional baseball player.

"I can't focus on the negative," she said in Spanish. "Because that will defeat you. That will destroy you.... The number of times I have fallen down is the number of times I have gotten up."

Hours later, shortly after 3 a.m., Rivera is believed to have boarded a Learjet 25, which took off under clear skies. The jet headed south, toward Toluca, west of Mexico City; there, Rivera had been scheduled to tape the television show "La Voz" — Mexico's version of "The Voice" — on which she was a judge.

The plane, built in 1969 and registered to a Las Vegas talent management firm, reached 11,000 feet. But 10 minutes and 62 miles into the flight, air traffic controllers lost contact with its pilots, according to Mexican authorities. The jet crashed outside Iturbide, a remote city that straddles one of the few roads bisecting Mexico's Sierra de Arteaga national park.

Wreckage was scattered across several football fields' worth of terrain. An investigation into the cause of the crash was underway, and attempts to identify the remains of the victims had begun.

Rivera, a mother of five and grandmother of two, was believed to have been traveling with her publicist Arturo Rivera, who was not related to her, as well as with her lawyer, hairstylist and makeup artist; reports of their names were not consistent. Their identities were not confirmed by authorities. The pilots were identified as Miguel Perez and Alejandro Torres.

In the world of regional Latin music — norteño, cumbia and ranchera are among the popular niches — Rivera was practically royalty.

Her father was a noted singer of the Mexican storytelling ballads known as corridos. In the 1980s he launched the record label Cintas Acuario. It began as a swap-meet booth and grew into an influential and taste-making independent outfit, fueling the careers of artists such as the late Chalino Sanchez. Jenni Rivera's four brothers were associated with the music industry; her brother Lupillo, in particular, is a huge star in his own right.

Born on July 2, 1969, Rivera initially showed little inclination to join the family business. She worked for a time in real estate. But after a pregnancy and a divorce, she went to work for her father's record label and found her voice, literally and figuratively.

She released her first studio album in 2003, when she was 34.

Her path had not been easy, but rather than running from it, she wrote it into her music — domestic violence; struggles with weight; raising her children alone, or "sin capitan," without a captain. She was known for marathon live shows that left audiences exhilarated and exhausted; by the fifth hour of one recent performance, she was drinking straight from a tequila bottle and launching into a cover of "I Will Survive."

In a witty and sometimes baffling stew of Spanish and English, she sang about her three husbands, about drug traffickers, in tribute to her father, in tribute to her gynecologist.

She became, in a most unlikely way, a feminist hero among Latin women in Mexico and the United States and a powerful player in a genre of music dominated by men and machismo. Regional Mexican music styles had long been seen as limiting to artists, but Rivera shrugged off the labels and brought traditional-laced music — some of which sounded perilously close to polka — to a massive pop audience.

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