Biceps curl with barbell

How to use a single-dose dry powder inhaler

Watch this video to learn how to use a single-dose dry powder inhaler.

Abdominal crunch with fitness ball

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

Migraine Headaches

Video animation showing what causes a migraine and what happens to the blood vessels inside the brain when a migraine occurs.

Triceps extension with weight machine

The triceps extension with weight machine targets the back of the upper arm. See how it's done.

Ambien (zolpidem): Tips for Insomia Prevention and Use of Ambien

How to best prevent insomnia, and if needed, how Ambien works to help with sleep

• Ambien