Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

Having different chronotypes, or being more active in the morning vs. afternoon, may play an important role in preserving muscle mass and strength, and metabolic health, according to a new study.

Working out doesn't just build muscle but, in later life, helps maintain a powerful cellular machine that repairs damaged tissue with efficiency. Scientists have now not only discovered how this ...

These symptoms are among the most common reasons patients abandon the drugs. New research from Columbia University suggests a possible explanation for why this happens in some individuals. The study ...

Muscles make up nearly 40% of the human body and power every move we make, from a child's first steps to recovery after injury. For some, however, muscle development goes awry, leading to weakness, ...

As people age, muscles naturally lose mass and strength, a condition known as sarcopenia. The decline can make everyday activities harder and increases the risk of falls, disability and early death.

A study found that Qlosi demonstrated positive pupil diameter reductions without yielding significant changes in ciliary muscle response, according to a speaker at Hawaiian Eye 2026. In a presentation ...

How did the complexity of many organisms living today evolve from the simpler body plans of their ancestors? This is a central question in biology. Take our hands, for example: Every time we type a ...

Flamboyant sexual ornaments serve as conspicuous visual signals optimized to the visual receptors and perception of potential mates. While ...

If you have ever lifted a weight, you know the routine: challenge the muscle, give it rest, feed it and repeat. Over time, it grows stronger. Of course, muscles only grow when the challenge increases ...

Muscle power—the ability to generate force quickly—is essential for everyday function. It supports tasks such as rising from ...