This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. You’ve heard the saying “calories in versus calories out” when it comes to weight loss. This is referring to a calorie deficit. But ...

Dropping down the numbers on the scale is good, it keeps your body fit and moving as well, but at what cost? Is an 800-calorie diet really enough and is it even sustainable? The scientific answer to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you’re on a weight loss journey while also trying to gain muscle, you may be wondering if you can ...