Endoscopic mucosal resection

How irritable bowel syndrome affects you

Watch this irritable bowel syndrome video to learn how IBS can affect you.

Reducing Radiation from Medical X-rays

Medical X-rays are an important tool for diagnosing and treating diseases, but they pose a small risk from radiation. Learn what you can do to reduce the risk in this FDA Consumer Update 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

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.

• Cancer

Seated hamstring curl with weight machine

The seated hamstring curl with weight machine exercise targets the back of the thigh. See how it's done.