India, Nov. 11 -- What's the science behind healthy weight gain? Many people think that eating more automatically makes you bulk up, but that's not true. Extra food mainly leads to fat, not healthy weight gain. It's important to understand the difference: weight gain means overall body weight increases, which can come from muscle, fat, water, bones, or glycogen. Fat gain refers to the accumulation of stored fat in the body. To gain a healthy weight, focus on building muscle while reducing fat by eating nutrient-rich foods, engaging in strength training, and maintaining a balanced calorie intake.

"Healthy weight gain depends on eating regularly, choosing nutritious foods, and exercising. Doing this consistently helps you gain weight gradu...