Most weight gain over the winter is caused by dietary habits, but drinking alcohol and being more sedentary during the holidays also play a role. (Getty Images) ...

If you’re trying to gain weight, eating enough calories on a consistent basis may be a challenge. One common strategy is to take advantage of liquid calories from protein shakes and smoothies.

The goal of body recomposition is to lose fat and gain muscle simultaneously, unlike the traditional approach of "bulking and cutting" in which you intentionally put on a lot of weight first ...