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Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
Video: Abdominal ball raise with fitness ball
You can do many exercises with a fitness ball. See the abdominal ball raise.
Video: Abdominal crunch
The abdominal crunch is a classic core-strength exercise. See how it's done.
Video: Abdominal crunch with fitness ball
You can do many core exercises with a fitness ball. See the abdominal crunch.
Video: Allergy or irritant: The truth about your rash
Learning whether your rash is caused by irritant contact dermatitis or allergen contact dermatitis may help to prevent another one.
Video: Allergy tests
What happens in an allergy test? Watch this video and find out.
Video: An asthma attack
What happens to your airways during an asthma attack?
Video: Ankle sprain
How do you get an ankle sprain? Watch this video and find out.
Video: Barium enema
See what to expect during an X-ray examination of your colon.
Video: Bent-over row with dumbbell
The bent-over row targets the back of the shoulder. See how it's done.
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