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Cancer of the throat or larynx

From a top view of the voice box (larynx) and vocal cords, this animation shows the formation of a malignant tumor on the right vocal cord.

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How cancer spreads

Watch this video to see how cancer spreads (metastasizes).

LASIK eye surgery

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

Why does my child have allergies?

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

Squat exercises with resistance tubing for leg muscles

The squat with resistance tubing is an exercise that targets the leg muscles. See how it's done.

How to use a dry powder tube inhaler

Watch this video to learn how to use a dry powder tube inhaler.

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