"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." EVEN AS NEW, trendy diets emerge, calorie counting remains a reliable practice in the world of weight ...

A calorie surplus is a bit like a well-mixed negroni; finding the sweet spot is key. Whether you’re looking to build muscle or have been advised to gain weight, knowing how to calculate the right ...

Q: How many calories a day do I need to take in to gain mass and still not gain excess weight? I’m 16 and weigh 180 pounds. I train four or five days a week and have been gaining well over the past ...

There's a right—and wrong—way to follow one.

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It’s no secret that if we burn more calories than we take in, we’ll lose weight. It boils down to simple mathematics. There are a lot of calorie-counting apps and calculators that will tell you how ...