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People trying to lose weight may swear by specific diet plans calling for strict proportions of fat, carbs and protein, but where the calories come from may not matter as much as simply cutting back on them, according to a study.

Planning to lose weight in the new year? It might not be easy depending on the diet

Former President Bill Clinton revealed how veganism has helped him lose weight and be healthier. Nutritionist Tanya Zuckerbrot speaks to "The Early Show" about the plant-based diet.

Erica Hill talks to Cynthia Sass, registered dietitian and author of "Cinch! Conquer Cravings, Drop Pounds and Lose Inches," about a new study that says to lose weight, it's more about the quality of the food and less about the quantity.

Not everyone who is obese needs to lose weight — it's possible to carry extra pounds and still be healthy, a new study says.

Obese people may one day be able to get a vaccine to help them lose weight, a new study in mice suggests.

Kids who swap out regular dairy products for low-fat varieties consume less saturated fat but don't seem to lose weight, according to Australian researchers.

Will controversial French diet help Americans lose weight?

Think you would stick to a diet if someone paid you for it? Would you be more likely to exercise if you were fined each time you bailed on your scheduled workout

Obese people might be more likely to lose weight if they have money riding on their success -- but the pounds may creep back once the financial carrot is gone, a small study finds.

The Food and Drug Administration says a pill to treat obesity from Orexigen Therapeutics Inc. helped patients lose weight, though it didn't meet all the criterion set forth by the agency.