Jessica is a former writer and editor at Forbes Health with over a decade of experience in both lifestyle and clinical health topics. Before Forbes Health, Jessica was an editor for Healthline Media, ...

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 ...

What Is a Calorie Deficit? Calories are a measure of the amount of energy in food. All of the cells in your body require energy in order to work properly, just like a car needs fuel. They get that ...

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 ...

If you’re trying to lose weight, it’s natural to want an efficient solution. During your search for the ideal weight loss method, you may have heard that being in a calorie deficit can help. But what ...