How to roast turkey and make turkey gravy

Herniated nucleus pulposus (slipped disk)

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

• Back Pain

Twin to twin Transfusion Syndrome (TTTS)

Twin-to-twin transfusion syndrome (TTTS) is a rare condition that occurs only in identical twins while they are in the womb. This animation explains the syndrome and how it is corrected.

• Pregnancy

HIV Animation

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

Is it Okay To Miss a Day Or Two of My Blood Pressure Medications?

Reasons why you should always take your medications on time and tips on how to remember to take them.

How cancer spreads

Watch this video to see how cancer spreads (metastasizes).

• Cancer