Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

Some research suggests that nicotine may negatively affect muscle growth.However, there is other evidence that indicates it could help with athletic performance. Muscle growth, which health experts ...

As the opioid crisis continues in America, more and more doctors are steering away from prescribing opioid medications as a treatment for pain. Since 1999, more than 932,000 people have died from a ...

In the battle of the obesity bulge, glucagon-like peptide-1 receptor agonist medications — aka GLP-1s such as Wegovy and Zepbound — have changed the game for some people who've struggled to ...

Why does riding a bike feel natural again, even after years away? Scientists are unpicking muscle memory in your brain and ...

Protein shakes, pre-workout mixes and other supplements aren’t always just a part of a gym routine. In adolescents and young adults, they could be connected to a body image disorder that exhibits a ...

If you don’t use it, you lose it. That’s common wisdom, backed up by science, about what happens to aging muscles. And if your goal is to lose weight – whether you have obesity or a few pounds to drop ...

A recent article highlights the critical importance of skeletal muscle mass in the context of medically induced weight loss, particularly with the widespread use of GLP-1 receptor agonists. These ...

When you hear the term “muscle memory,” it conjures up images of your muscles being able to memorize certain movements, such as dribbling a soccer ball or playing “Happy Birthday” on the piano. But ...

We all want to know if and how we can come back to form after injury, illness, or a long hiatus. Muscles adapt in response to the environment: They grow when we put in the work and shrink when we stop ...