Simple squat and reach exercises with fitness ball

Celebrex: Therapeutic Uses and Dosing

A discussion of which conditions Celebrex is used to treat, how it works, and dosing tips

• Celebrex

Retina

This animation shows the process in which light is transformed by the retina as electrical impulses that travel to the brain through the optic nerve.

• Vision

Need to relax? Take a break for meditation

Spend a few minutes on stress reduction with this guided meditation video.

Botox is Not Just for Wrinkles: Therapeutic Uses of Botox

A description of Botox (botulinum toxin) mechanism and uses in migraine, muscle spasms, and more.

• Botox

What happens during obstructive sleep apnea?

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

• Sleep Disorders