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

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 ...

With so much talk about how to lose weight, it’s easy to forget that there are people who want to gain weight by building lean muscle mass, or “bulking.” To do this, you need to consume more calories ...