Cerebral aneurysm

Concussion

This animation shows the head receiving two impacts. One on the front, and one on the side from a boxing glove.

• Headache
• Pain

Athetosis resulting from basal ganglia injury

This animation illustrates the location of basal ganglia in the brain. Injury to the basal ganglia may result in athetosis (constant writhing movements of the body).

• Injury
• Headache

How to choose resistance tubing

Resistance tubing is a lightweight, portable strength training tool. See how it's used.

Why does my child have allergies?

An animation that shows the allergic reactions children can have and demonstrates a rash on the skin.

LASIK eye surgery

Watch this video to see how LASIK eye surgery is done.