Studies show that friends and family gain weight — and lose weight — together.
March 12, 2012 Researchers are finding that the friends and family of obese and overweight individuals who lose weight lose weight themselves, and sometimes a lot of it.
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February 22, 2012 In a reversal, a panel of experts is advising the Food and Drug Administration to approve Qnexa, a weight-loss pill, that was rejected in 2010. The potential benefits for overweight people exceed the risks, such as birth defects and increased heart rates, the panel determined.
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The FDA hasn't approved a new weight-loss drug since 1999. In the meantime, Americans' waistlines have continued to grow.
M. Spencer Green/AP
February 17, 2012 The Food and Drug Administration will take a second look at a weight-loss drug it rejected in 2010. The decision to review Qnexa comes as the agency is rethinking how it judges weight-loss drugs. Though obesity is at epidemic levels, the FDA hasn't approved any new weight-loss medicines since 1999.
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January 27, 2012 Physicians who pack on the pounds discuss weight loss less frequently with obese patients than doctors who have normal weights, a study finds. Overweight and obese physicians expressed greater confidence in prescribing weight-loss drugs than other doctors.
Jenny Craig brand ambassador and singer Mariah Carey (left) poses with Dana Fiser, CEO of Jenny Craig, at a press conference in New York City in November.
Cindy Ord/Getty Images
January 5, 2012 The first week of the year means big profits for weight-loss firms. Some companies are looking to expand their customer base by specifically targeting men. Others are teaming up with big employers.
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A high-protein diet, without a reduction in calories, isn't a recipe for weight-loss success.
January 4, 2012 People on low-protein diets pack on more fat compared to people who eat normal amounts of protein, a new study concludes. This is bad for health, even if the low-protein folks don't put on as many pounds. Eating more protein may make it easier to keep weight off.
December 28, 2011 Pigging out for even a day causes inflammation in the brains of lab rats, and scientists think this might help explain why it's so hard for people to lose weight. If eating too much inflames human brains, too, then scientists might be able to come up with new ideas for taming obesity.
December 13, 2011 Adolescents covered by Medicaid may have an easier time getting weight-loss surgery paid for. The surgery costs upwards of $20,000 and it's not entirely clear which adolescents would benefit most from it.
Many doctors and patients aren't discussing the health consequences of weight.
November 14, 2011 In a country with a rampant obesity epidemic, many patients say their doctors don't spend enough time talking with them about losing weight. But doctors often complain that when they do bring up the issue, nothing changes.
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Life can be viewed as a fast-moving wave; you can be the surfer riding it.
Ezra Shaw/Getty Images
November 4, 2011 I gain weight and you don't, even though we are the same size and eat the same amount. What does this tell us about ourselves?
Hoodia gordonii plants like this one have been used by generations of bushmen in Southern Africa's Kalahari desert as an appetite suppressant. But the Federal Trade Commission isn't sold on that idea.
David Silverman/Getty Images
November 4, 2011 The Federal Trade Commission said it has reached a settlement with David J. Romeo and two companies he controlled that bans them from "making any weight-loss claims while marketing foods, drugs, and dietary supplements." Under the agreement, Romeo will forfeit a Vermont vacation house.
One recent study found that people were able to burn up an extra 450 calories a day with one hour of moderate exercise. That can include walking briskly, biking or swimming.
October 31, 2011 Most people who lose weight end up gaining it back — and it's not just a matter of willpower. In fact, once we begin to shed those first few pounds, says one expert, "the biology really kicks in and tries to resist the weight loss."
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October 27, 2011 Willpower will only take you so far, in case you haven't run that experiment yourself. Turns out our bodies have a fuel gauge, not entirely unlike the gas gauge in our cars, that tell us when it's time to tank up on food. Dieting can make the gauge go haywire.
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Contestants from NBC's "The Biggest Loser" do yoga in Auckland, New Zealand.
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September 21, 2011 More than half of the people in a recent poll say weight-loss shows influence what they eat. And 49 percent say they believe the television programs will have a positive influence on the obesity epidemic.
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