Forearm stretches for the workplace

Chest press with weight machine

The chest press exercise with weight machine targets the chest muscles. See how it's done.

Sleeve gastrectomy surgery

Sleeve gastrectomy involves removing part of the stomach. The remaining section is formed into a tube. This tube can't hold as much food.

HIV Animation

This animation shows the HIV molecule, its components, and what it does inside the body to an infected person.

Reverse crunch with fitness ball

You can do many core exercises with a fitness ball. See the reverse crunch.

Celebrex: Therapeutic Uses and Dosing

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

• Celebrex