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How does a stroke happen?

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A stroke happens when blood flow to a part of your brain gets cut off. Without the oxygen in blood, brain cells start dying within minutes. To help prevent a stroke, learn about the causes and the things that can raise your odds of getting one.

From: Top Causes of Stroke WebMD Medical Reference

SOURCES:

CDC: "Stroke."

National Institute of Neurological Disorders and Stroke: "Brain Basics: Preventing Stroke."

Cleveland Clinic: "Know Your Risk Factors for Stroke," "Transient Ischemic Attack," "Understanding Stroke," "What is a Stroke?"

Merck Manuals Online: "Stroke: Introduction."

National Stroke Association: "Am I at risk for a stroke?" "Hemorrhagic stroke," "What Is Stroke?""

Womenshealth.gov: "Stroke."

American Heart Association: "Stroke Risk Factors."

American Stroke Association: "Let's Talk About Risk Factors for Stroke," "Stroke Risks."

American College of Cardiology: "Understanding Risks of Stroke and Blood Thinners."

American Society of Hematology: "Sickle Cell Anemia."

Reviewed by Neha Pathak on November 3, 2017

SOURCES:

CDC: "Stroke."

National Institute of Neurological Disorders and Stroke: "Brain Basics: Preventing Stroke."

Cleveland Clinic: "Know Your Risk Factors for Stroke," "Transient Ischemic Attack," "Understanding Stroke," "What is a Stroke?"

Merck Manuals Online: "Stroke: Introduction."

National Stroke Association: "Am I at risk for a stroke?" "Hemorrhagic stroke," "What Is Stroke?""

Womenshealth.gov: "Stroke."

American Heart Association: "Stroke Risk Factors."

American Stroke Association: "Let's Talk About Risk Factors for Stroke," "Stroke Risks."

American College of Cardiology: "Understanding Risks of Stroke and Blood Thinners."

American Society of Hematology: "Sickle Cell Anemia."

Reviewed by Neha Pathak on November 3, 2017

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What are the different types of stroke?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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