Skip to main content

Epinephrine and exercise

This animation shows the release of epinephrine and its effect of the heart.


Recommended videos

Human Growth Hormone for Fitness and Stamina in Men

A look at whether the health and fitness benefits of human growth hormone (hGH) are proven and safe.

Adjusting Your Diet to Gain More Energy

Helpful tips on how to adjust healthful meals and snacks to prevent fatigue.

Hearing and the Cochlea

This animation shows the various structures of the ear and the process of hearing.

HIV Animation

This animation shows the HIV molecule, its components, and what it does inside the body to an infected person.

Ankle sprain

How do you get an ankle sprain? Watch this video and find out.

Browse by category

By medication