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Biceps curl with resistance tubing

The biceps curl with resistance tubing builds strength in the upper arm. See how it's done.


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Humira: An Overview of FDA-Approved Uses and Mechanism

A brief description of common uses for Humira and how it works in rheumatoid arthritis and Crohn's disease.

What happens during obstructive sleep apnea?

Sleep apnea -- Watch this video to see how snoring and obstructive sleep apnea occur.

Concussion

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

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