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
If you have or see someone having any stroke symptoms, call 911 right away. Every minute counts! Current stroke treatments can raise the chances of recovering with few or no disabilities. But you must get help right away. These treatments will work only if you get them no later than 3 hours after your symptoms begin. |
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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.
- Make physical activity a habit. Health benefits are gained by doing the following each week:
- Aerobic activity that includes:
- 2 hours and 30 minutes of moderate-intensity aerobic activity, or
- 1 hour and 15 minutes of vigorous-intensity aerobic activity, or
- A combination of moderate and vigorous activity
and
- Muscle-strengthening activities on 2 or more days of the week
- Control stress.
- If you have diabetes, follow your doctor's instructions for eating, exercising, and taking insulin.
Additional Resources
Publications
Age Page: Stroke — This fact sheet provides information on strokes and offers tips for stroke prevention. It also gives a list of warning signs for stroke. http://www.nia.nih.gov/HealthInformation/Publications/stroke.htm
Know Stroke. Know the Signs. Act in Time. — This publication features information on what a stroke is, the signs and symptoms of stroke, and what can be done to prevent a stroke. http://www.ninds.nih.gov/disorders/stroke/knowstroke.htm
NINDS Stroke Information Page — This online publication discusses the types of stroke, treatment options, and ongoing stroke research. http://www.ninds.nih.gov/disorders/stroke/stroke.htm
Stroke — This site features frequently asked questions, statistics, and risk factors of stroke. It also lists several prevention programs for those who want to lower their risk. http://www.cdc.gov/stroke/
Heart Attack Risk Assessment (Copyright © American Heart Association) — Find your personal risk of having a heart attack or dying from heart disease with this health risk awareness quiz. Included is a list of questions to ask your doctor. http://www.americanheart.org/presenter.jhtml?identifier=3003499
Stroke: Warning Signs and Tips for Prevention (Copyright © American Academy of Family Physicians) — This fact sheet provides information on stroke and its risk factors, how to know if you are having a stroke, and ways to lower your stroke risk. http://familydoctor.org/online/famdocen/home/common/heartdisease/basics/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 June 1, 2009.
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