Experts say the secret to feeling strong in the long term is to focus less on the size of a muscle and more on what it can ...

With age, our muscle mass and strength naturally decline, sometimes developing into a condition known as sarcopenia.

Body recomp means building muscle and losing fat at the same time. Learn how to optimize your training and diet to see ...

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

Age-related muscle loss affects strength, balance, metabolism, and independence. But with the right exercise, nutrition, and ...

The national guidelines suggest a minimum of two days per week of muscle-strengthening activity, although upping that to ...

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

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 ...

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

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