Learn how to calculate your calorie needs, create a sustainable deficit and lose weight without sacrificing muscle ...

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 ...

At the risk of stating the obvious: if you’re trying to lose weight, creating a calorie deficit — in other words, taking in fewer calories than you burn each day — is crucial. What’s not so obvious is ...