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How can smoking cause heart disease?

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The nicotine in smoke:

  • Reduces how much oxygen your heart gets
  • Raises your blood pressure
  • Speeds up your heart rate
  • Makes blood clots more likely, which can lead to heart attacks or strokes
  • Harms the insides of your blood vessels, including those in your heart

From: Smoking and Heart Disease WebMD Medical Reference

SOURCES:

American Heart Association: "Smoking and Cardiovascular Disease."

CDC: "Health Effects of Cigarette Smoking."

American Heart Association: "Understand Your Risk of Heart Attack."

CDC: "Smoking Cessation."

National Heart, Lung, and Blood Institute: "What Are the Benefits of Quitting Smoking?"

CDC: "Smoking & Tobacco Use: Heart Disease and Stroke."

Smokefree.gov: "Have You Built a Quit Plan?"

Reviewed by Suzanne R. Steinbaum on November 21, 2017

SOURCES:

American Heart Association: "Smoking and Cardiovascular Disease."

CDC: "Health Effects of Cigarette Smoking."

American Heart Association: "Understand Your Risk of Heart Attack."

CDC: "Smoking Cessation."

National Heart, Lung, and Blood Institute: "What Are the Benefits of Quitting Smoking?"

CDC: "Smoking & Tobacco Use: Heart Disease and Stroke."

Smokefree.gov: "Have You Built a Quit Plan?"

Reviewed by Suzanne R. Steinbaum on November 21, 2017

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How can quitting smoking help prevent heart disease?

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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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