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Learning Center
Essential tremor
Learn about this condition that causes uncontrollable shaking and find out how it differs from Parkinson's disease.
Fibrocystic breasts
Learn about this condition that's common in women, including symptoms, possible causes and testing to determine when breast cysts might need treatment.
Brachial plexus injury
Learn about these nerve injuries that usually result from auto or motorcycle accidents, and find out which procedures can help restore arm function.
Test anxiety: Can it be treated?
Feelings of worry and self-doubt can interfere with how well you do on tests. Here's what you can do to lower your anxiety.
Early miscarriage: Is stress a factor?
Early miscarriage is usually caused by an abnormality with the baby — not maternal stress.
Ozone air purifiers: Can they improve asthma symptoms?
Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.
Epilepsy
Learn about this condition that causes seizures. Find out which symptoms are associated with different types of seizures and how they're treated.
Heart arrhythmia
Learn about common heart rhythm disorders that can cause your heart to beat too fast, too slow or irregularly.
Abdominal aortic aneurysm
An aneurysm in the lower part of the aorta can grow slowly and silently. Know the symptoms of this dangerous condition and the treatment.
Marfan syndrome
This inherited disorder affects the skeleton and the eyes. It can also harm the large blood vessel that carries blood from the heart to the rest of the body.
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