In-depth

Arthroscopy

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

Brucellosis

Brucellosis is an infectious disease that spreads from animals to people, mainly via unpasteurized dairy products. Travelers should take special care to avoid infection.

CT scan

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

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.

Henoch-Schonlein purpura

Henoch-Schonlein purpura causes inflammation of small blood vessels (vasculitis) and often a purplish rash. It's most common in children ages 2 to 6.

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.

MRI

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

Paget's disease of bone

Your bones are made up of living tissue that's continually being renewed. Paget's disease of bone disrupts that process, sometimes causing serious complications.

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.

Psoriasis

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

Tai chi

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

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.

Vasculitis

X-ray

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

Jul. 15, 2014

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