You may have a pretty good idea of how much you should be eating per day. Or you might not have a clue and simply tuck into whatever you fancy. But understanding how calories – a unit of energy – ...

Are you looking to get into a calorie deficit so you can lose weight and achieve a leaner look? As a trainer and nutritionist ...

Fact checked by Nick Blackmer If you’ve just started a new strength-training routine and are trying to build muscle mass, you may be wondering how many calories you should be eating to meet your body ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Think of food tracking apps as your digitally upgraded food journal. These user-friendly apps offer a ...

YOU BURN CALORIES all day long as your body carries out its normal functions, like breathing and digestion. Physical activity, whether it’s a workout or running errands, can increase the burn. All of ...

Hiking with a backpack is a heck of a lot more work than hiking without one. It feels harder, but also you’re burning more calories—which is important to know as you’re planning your snacks and meals ...