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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Jordan Strauss/Invision/AP

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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13/Ocean/Corbis

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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Heather Rousseau/NPR

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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Chad Springer/Corbis

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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Gillian Blease/Getty Images/Ikon Images

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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Stefano Bianchetti/Corbis

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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Tomas Bravo/Reuters /Landov

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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Courtesy of Brian Oh

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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Heather Rousseau/NPR

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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iStockphoto.com

Can Skinny Models Undermine Your Dieting Goals?

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