Mammogram for breast cancer - What to expect

HIV Animation

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

Mitral valve regurgitation

Mitral valve regurgitation is shown in this video.

Fitness ball bridge with heel dig

Comfortable with the fitness ball bridge? See how to add a heel dig.

Liposuction

A vibrating suction cannula, or flexible tube, is used in a liposuction procedure. The cannula is inserted through a small hole into the abdominal fat tissue to remove excess fat deposits.

• Beauty

Anatomy of Nicotine Addiction

This animation illustrates how smoking changes your brain, causing nicotine addiction.