"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In the world of weight loss, your metabolism is a major player. This complex process helps convert your ...

There’s a reason we eat the same breakfast, shop the same route at the grocery store or order the same entrée at our favorite restaurants. We’re creatures of habit. And that goes for our diets, too.

When you kick off a diet, your body might see the reduced calorie intake as a potential threat, setting off a cascade of metabolic and hormonal adaptations. From initial confusion to long-term ...