Oprah Winfrey arrives at the 87th Academy Awards nominees luncheon at the Beverly Hilton Hotel on Monday, Feb. 2, 2015, in Beverly Hills, Calif. Jordan Strauss/Invision/AP hide caption

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Physical exercise, diet and supportive counseling are the first steps of any weight-loss program. But sometimes that's not enough to take large amounts of weight off, and keep it off, doctors say. 13/Ocean/Corbis hide caption

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Surgery Helps Some Obese Teens In Battle To Get Fit

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The group of women in a new study with the lowest rate of breast cancer consumed about four tablespoons of olive oil each day. Heather Rousseau/NPR hide caption

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Mediterranean Diet With Extra Olive Oil May Lower Breast Cancer Risk

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Parents of children who are extremely finicky may find it useful to seek help, psychologists say, because some kids won't outgrow the behavior on their own. But don't make the table a battlefield. Chad Springer/Corbis hide caption

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Could Your Child's Picky Eating Be A Sign Of Depression?

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A meta-analysis found that people on vegetarian diets lost around 4.4 pounds more than the control group (who had no change in diet), while those who went vegan dropped 5.5 pounds more. Marcus Butt/Ikon Images/Corbis hide caption

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The Mediterranean-like DASH and the plant-centric Ornish eating plan topped this year's rankings of diets by a panel assembled by U.S. News & World Report. Gillian Blease/Getty Images/Ikon Images hide caption

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After a hard day of bruising battle, ancient gladiators reached for a post-workout drink, according to an ancient account. New research backs that up. Stefano Bianchetti/Corbis hide caption

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A new study linking animal protein-rich diets to increased mortality in middle age adds fuel to the controversy over how much protein — and from what sources — is ideal for health. One thing that seems pretty clear: It doesn't hurt to go heavy on the greens. iStockphoto hide caption

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Government workers exercise at their office in Mexico City, August 2013. To counter the obesity epidemic, the city requires all government employees to do at least 20 minutes of exercise each day. Tomas Bravo/Reuters /Landov hide caption

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Overweight People In Developing World Outnumber Those In Rich Countries

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A crostini of smoked trout, hard-boiled egg, aioli and roe at The Red Hen in Washington, D.C. Owner/Chef Michael Friedman says Mediterranean cooking is simply a tweaking of basic cooking ideas. Courtesy of Brian Oh hide caption

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For Mind And Body: Study Finds Mediterranean Diet Boosts Both

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People following a 5-2 diet would eat lean protein and non-starchy vegetables two days a week. Heather Rousseau/NPR hide caption

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Two-Day Diets: How Mini Fasts Can Help Maximize Weight Loss

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Posting a picture like this on the fridge might seem like good motivation for weight loss. But scientists say it might instead inspire weight gain. iStockphoto.com hide caption

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Can Skinny Models Undermine Your Dieting Goals?

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Eating low-glycemic foods, or foods that take longer to digest, may help you feel fuller for a longer period of time. Robyn Mackenzie/iStockphoto.com hide caption

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Low And Slow May Be The Way To Go When It Comes To Dieting

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Older women on a diet don't need to stop eating out; they just may need to make wiser food choices to keep weight off. iStockphoto.com hide caption

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Boomer Women Prove They Can Dine Out And Still Lose Weight

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