What is blood pressure?

Fitness ball bridge with heel dig

Comfortable with the fitness ball bridge? See how to add a heel dig.

Concussion

This animation shows the head receiving two impacts. One on the front, and one on the side from a boxing glove.

• Headache
• Pain

Hand transplant

Watch this video to see how a hand transplant is performed.

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

Many women face the silent challenge of weakening bones after menopause. This condition, called osteoporosis, occurs when the natural process of bone breakdown and rebuilding becomes unbalanced, leaving bones fragile and more prone to fractures.

• Evenity

Standing hip abduction exercise with resistance tubing

The standing hip abduction exercise targets the hip muscles. See how it's done.