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Health Videos

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Heart and circulatory system

Watch this video to see how a healthy heart works.

Parkinson

This animation shows sporadic brain activity and a twitching hand that occur with Parkinson's disease, followed by treatment with dopamine stimulation.

Plan B and STDs: Actions to Take if You

Tips to avoid pregnancy and sexually transmitted diseases after unprotected sex.

Squat with dumbbell exercise for leg muscles

The squat with dumbbells is an exercise that targets the leg muscles. See how it's done.

Passing Gas: How to Minimize the Impact

How gas forms, and pointers on how to lessen the passage of flatulence (gas).

Plank with fitness ball

You can do many core exercises with a fitness ball. See the plank.

Keratoconus

Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.

Human Growth Hormone for Fitness and Stamina in Men

A look at whether the health and fitness benefits of human growth hormone (hGH) are proven and safe.

How to choose a fitness ball

A fitness ball is versatile, but it's not one-size-fits-all. See your options.

Intuniv (guanfacine): Introduction and ADHD Overview

An overview of childhood Attention Deficit Disorder Hyperactivity (ADHD) and the non-stimulant treatment Intuniv (guanfacine).