How to use a peak flow meter

Types of Headaches

A comparison of different types of headaches: cluster, tension, and migraine; their trigger points; and their symptoms.

Calf raise with dumbbell

The calf raise targets the calf muscles in the legs. See how it's done.

Breast lift

This animation shows a breast reduction (lift) procedure.

• Beauty
• Women's Health

Biceps curl with weight machine

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

Cryotherapy of the esophagus

Cryotherapy video shows use of extreme cold treatment for Barrett's esophagus and esophageal cancer.