Relaxation techniques
Learning Center
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
How your brain works
Which part of your brain does what? Take a tour.
Bone health: Tips to keep your bones healthy
Find out what you can do to promote and protect bone health.
Prednisone and other corticosteroids
Are you using a corticosteroid? Prednisone and other corticosteroid pills, creams and injections can cause side effects. Find out what to expect.
Joint protection for people with hand arthritis
Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Herbal supplements and heart medicines may not mix
Some herbal supplements can have dangerous interactions with heart medications.
Erectile dysfunction: Viagra and other oral medications
Get the facts on medicines that are taken by mouth for ED.
Gout diet: What's allowed, what's not
A gout diet isn't a treatment for gout, but it may help you manage your attacks.
How to take your pulse
Learn two ways to take an accurate pulse, or heart rate.
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