Body weight exercises
Learning Center
Video: An asthma attack
What happens to your airways during an asthma attack?
Aquatic exercises
Thinking about signing up for an aquatic exercise class? Or trying water exercises on your own? Check out these pool moves.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
Poison ivy and other summer skin irritants
Take a look at these bumps, bites and rashes. Find out what causes them and how they can be treated.
Parkinson's test (a-Synuclein seed amplification assay)
Learn how this test may affect how Parkinson's disease is diagnosed in the future.
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
How your brain works
Which part of your brain does what? Take a tour.
10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
Blood in semen
This symptom can be scary, but the cause is most often not cancer. Find out possible causes and when to see a doctor.
Dark circles under eyes
Overview covers causes, remedies for this common symptom.
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