Can Erectile Dysfunction Drugs Like Viagra Be Addictive?

Hearing and the Cochlea

This animation shows the various structures of the ear and the process of hearing.

• Hearing

When is Emergency Treatment Needed for Burns?

A brief overview of minor and major burns, when to get emergency care, and a description of 1st, 2nd and 3rd degree burns.

Tramadol: Approved Uses and Pain Mechanism

A brief description of approved tramadol uses, formulations, and mechanism of action. Learn more about tramadol at: https://www.drugs.com/tramadol.html

• Tramadol

Seated hamstring curl with weight machine

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

Mammogram for breast cancer - What to expect

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