In-depth

Alternative medicine

Tai chi

With gentle movements and focused breathing, tai chi helps reduce stress and anxiety. See if it's right for you.

Causes

Psoriasis

Though psoriasis can be uncomfortable and sometimes painful, you can take steps to improve your symptoms.

Lifestyle and home remedies

Exercise and chronic disease

Curious about exercise and chronic disease? Get the answers to your questions.

Exercising with arthritis

Arthritis shouldn't keep you from exercising. Regular exercise increases your strength and flexibility, reduces pain and fights fatigue.

How much sleep do you really need?

The usual advice is eight hours a night, but many factors, such as age and genetics, influence how much shut-eye you need.

Tests and diagnosis

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

Urinalysis

Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Treatments and drugs

Arthroscopy

Got a painful joint? With arthroscopy, you can find out why — and get relief.

Prednisone risks, benefits

Corticosteroids, such as prednisone and cortisone, are used to successfully treat a variety of conditions. But these medications can also cause unwanted side effects. Get the facts here.

Jul. 15, 2014

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