How to choose a fitness ball

Mammogram for breast cancer - What to expect

Watch video to see what it's like to have a mammogram, or breast cancer detection exam.

Keratoconus

Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.

Zepbound: Uses, How It Works, and Common Side Effects

Zepbound is a prescription medicine used to help lose weight and maintain weight loss.

• Zepbound

Anatomy of Nicotine Addiction

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

Chest press with weight machine

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