Fetal ultrasound

Retina

This animation shows the process in which light is transformed by the retina as electrical impulses that travel to the brain through the optic nerve.

• Vision

Squat exercises for leg muscles

The squat is an exercise that targets the leg muscles. 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.

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.

• Hypertension

Atherosclerosis

Atherosclerosis is a disease in which fatty material is deposited on the wall of an artery.

• Heart Disease