Biceps curl with barbell

Humira: An Overview of FDA-Approved Uses and Mechanism

A brief description of common uses for Humira and how it works in rheumatoid arthritis and Crohn's disease.

• Humira

Mammogram for breast cancer - What to expect

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

LASIK eye surgery

Watch this video to see how LASIK eye surgery is done.

Anatomy of Nicotine Addiction

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

Lying hamstring curl with weight machine

The lying hamstring curl with weight machine exercise targets the back of the thigh. See how it's done.