During sleep, the brain produces growth hormone to help build muscle and bone and reduce fat. UC Berkeley research in mice reveals the brain circuits that regulate growth hormone release, along with a ...

Follow these four trainer tips to optimize the process.

Chronic stress doesn’t just affect your mood — it can sabotage your hormones, recovery, and muscle-building results if left unchecked.

This article was reviewed by Felix Gussone, MD. Key Takeaways: Testosterone does more than drive puberty. It influences drive ...

After 50, building and keeping muscle becomes more about working with your body than pushing against it. Hormones change, ...

UC Berkeley researchers mapped the brain circuits that control growth hormone during sleep, uncovering a feedback system where sleep fuels hormone release, and the hormone regulates wakefulness. The ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nerd out with me for a sec about why amino supplements matter. They’re the building blocks of protein and ...

A new study finds the use of HGH treatment in patients that have undergone ACL reconstructive surgery may prevent the loss of muscle strength and weakness. After experiencing an ACL injury, a common ...

If you're looking to jump-start muscle growth, beginning a new routine that challenges your muscles is key. You'll probably feel shaky during those first few sets, but as the brain and body begin to ...

Knockout of myostatin, a growth factor that limits muscle growth, can decrease body fat and promote resistance against developing atherosclerosis, or "hardening" of the arteries, according to a new ...

*This article is provided by an advertiser. Statements made are not meant to offer medical advice or to diagnose any condition. Consult your doctor about possible interactions, allergies, and if you ...