Abdominal ball raise with fitness ball

Epinephrine and exercise

This animation shows the release of epinephrine and its effect of the heart.

• Exercise & Fitness

Simple squat and reach exercises with fitness ball

You can do many exercises with a fitness ball. See the simple squat and reach.

Carotid angioplasty and stenting

Carotid angioplasty and stenting — See how this stroke treatment is done.

Tendon transfer to repair rotator cuff

A torn rotator cuff is sometimes repaired with a tendon from your back.

Ambien (zolpidem): Dosing and Common Side Effects

A brief discussion of Ambien dosing, dose limits, and common side effects

• Ambien