Weight gain is the intake of more calories than your body burns in a day. The calorie surplus supports muscle growth, increases bone density, and adds fat to your frame.

Discover science-backed methods to gain weight healthily, including calorie-dense meal planning, strategic strength training, and supplements that actually work. Skip to content. News; ...

Men typically need between 2,000 and 3,000 calories a day, according to the Dietary Guidelines for Americans. But, your ...

The old saying is that if you want to get big, you must eat big and lift big. Science confirms this, but it is more ...

To figure out how much walking you need to do to lose weight, it can help to identify your resting metabolic rate (RMR), ...

Why you’re not losing weight in a ‘calorie deficit’ — and how extreme diets actually slow your metabolism By . Reda Wigle. Published Feb. 21, 2025, 2:32 p.m. ET.