Plus, exactly how to train to sculpt your muscles.

To build muscle mass, you need around 0.5–0.9 grams of protein per pound of body weight per day. Here's why and other factors ...

Here’s what to know about body composition numbers and what these metrics mean for your health and performance.

Plus, how it differs from strength training and expert tips to program workouts for both approaches.

Building and maintaining muscle mass is important for everyone, regardless of age — and one of the strongest predictors of long-term health.

New research breaks down a formula for how to prevent muscle loss as you age. Here's what you need to know, according to a ...

It might be more than you think.

Pumping iron isn’t the only way to pump the brakes on age-related muscle loss. While weight training has long been lauded as the key to building and maintaining muscle mass, experts say there are ...

Repeated exercise, or wasting, can change the way key genes work.

Some of the best muscle-building foods include protein-rich chicken, salmon, and lentils. You can pair dietary changes with ...

Taking creatine before or after workouts aids muscle growth and strength. Consistency matters more than timing. It boosts ...