Stroke
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Stroke Warning Signs
- Sudden numbness or weakness of the face, arm or leg (especially on one side of the body)
- Sudden confusion, trouble speaking or understanding speech
- Sudden trouble seeing in one or both eyes
- Sudden trouble walking, dizziness, loss of balance or coordination
- Sudden severe headache with no known cause
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A stroke occurs when part of your brain doesn't get the blood that it needs. Most often, stroke occurs when a blood clot blocks or plugs up a vessel bringing blood to the brain. When this happens, brain cells begin to die. With prompt treatment, a person who has a stroke may suffer little or no brain damage. But severe brain damage can cause death or disability, including paralysis, problems with thinking, trouble speaking, and emotional problems.
Stroke risk is higher for older people, people who have a family history of stroke, and for African Americans. African American men also have a higher risk of disability and death from stroke than white men. This is partly because more African American men have high blood pressure, a major stroke risk factor.
You can't control some stroke risks, such as family history, age, and race, but you can control the leading cause—high blood pressure. In fact, managing high blood pressure is the most important thing you can do to lower your risk of stroke. You can also take these preventive steps:
- Don't smoke.
- Maintain a healthy weight.
- Eat foods that are good for your heart and keep cholesterol levels in check.
- Get 30 minutes of moderate-intensity physical activity on most days of the week.
- Control stress.
- If you have diabetes, follow your doctor's instructions for eating, exercising, and taking insulin.
Additional Resources
Publications
Know Stroke. Know the Signs. Act in Time - This publication contains information on what a stroke is, what the signs of someone having a stroke are, and what can be done to prevent stroke. http://www.ninds.nih.gov/disorders/stroke/knowstroke.htm
NINDS Stroke Information Page - This on-line publication discusses stroke, the treatment options, and ongoing research. A stroke occurs when the blood supply to the part of the brain is suddenly interrupted (ischemic) or when a blood vessel in the brain bursts, spilling blood into the spaces surrounding the brain cells (hemorrhagic). http://www.ninds.nih.gov/disorders/stroke/stroke.htm
Stroke - This fact sheet provides information on strokes and offers tips for stroke prevention. It also gives a list of warning signs that may indicate a stroke is happening. http://www.niapublications.org/agepages/stroke.asp
Stroke - This web page links to information from the Centers for Disease Control and Prevention about stroke. It contains frequently asked questions, statistics, risk factors, and more. http://www.cdc.gov/stroke/
Heart Attack/Coronary Heart Disease Risk Assessment (Copyright © American Heart Association) - This health risk awareness quiz focuses on heart attack and stroke and allows you to assess your risk for heart disease and stroke. Included is a stroke risk scorecard, and questions to ask your doctor. http://www.americanheart.org/presenter.jhtml?identifier=3003499
Stroke: Warning Signs and Tips for Prevention (Copyright © AAFP) - This fact sheet provides information on stroke, how you know when you are having a stroke, the warning signs, and how to avoid having a stroke. http://www.familydoctor.org/handouts/290.html
Organizations
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National Heart, Lung, and Blood Institute, NIH, HHS
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National Institute of Neurological Disorders and Stroke, NIH, HHS
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American Stroke Association
= Indicates Federal Resources
Content last updated July 17, 2008.
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