How cancer spreads

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

Stroke

This animation shows a stroke resulting by an embolism travelling from an internal carotid artery and lodging within a cerebral artery in the brain.

• Stroke

How to use a dry powder disk inhaler

Watch this video to learn how to use a dry powder disk inhaler.

Celebrex: Stomach and Intestinal Side Effects

A brief overview of the stomach and intestinal side effects and related cautions that may occur with all NSAIDs, including Celebrex

• Celebrex

Ovulation

The release of an egg from a woman's ovary occurs about midway through the menstrual cycle. See how it happens.