How to roast turkey and make turkey gravy

Alzheimers disease

This animation shows the brain and the changes that occur to it from Alzheimer's disease.

• Alzheimer's Disease

Herniated nucleus pulposus (slipped disk)

This animation shows displacement of an inter vertebral disk (disk between the vertebrae).

• Back Pain

HIV Animation

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

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

Leqvio is a treatment designed to help lower LDL cholesterol in adults, especially when combined with changes to your diet and statin therapy.

• Leqvio

What happens during obstructive sleep apnea?

Sleep apnea -- Watch this video to see how snoring and obstructive sleep apnea occur.

• Sleep Disorders