Causes of endometriosis

Squat exercises for leg muscles

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

Modified pushup

The modified pushup is less challenging than a classic pushup. See how it's done.

How to use a dry powder disk inhaler

Watch this video to learn how to use a dry powder disk inhaler.

Plank with fitness ball

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

Amoxicillin: Antibiotic Action and Appropriate Uses

A look at how amoxicillin works and which bacterial infections it can treat

• Amoxicillin