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 temperatures dip below freezing, two areas of our bodies help to regulate our response, or the response of a winter athlete: peripheral tissues such as our skin and a structure at the base of our ...

As people age, muscles naturally lose mass and strength, a condition known as sarcopenia. The decline can make everyday ...

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.

This video was originally posted to TikTok on 9/1/2021. Niba Audrey Nirmal: Writer Kyle Nackers: Fact Checker Bonnie Meyer: Script Editor, Managing Editor Savannah Geary: Editor, Associate Producer ...