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Smoking Cessation Health Center

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Smoking: Heart Attack and Stroke Risks - Topic Overview

If you smoke, your chance of dying from a heart attack is 2 to 3 times greater than that of a person who does not smoke. About 1 out of 4 heart attacks is believed to be directly related to smoking. Smoking is a much more important risk factor for a heart attack than high cholesterol, obesity, high blood pressure, or stress. Exercise and a good diet cannot erase the risks to your heart caused by smoking.

Smoking even a few cigarettes a day (1 to 4) increases your risk of coronary artery disease. If a person who smokes has a heart attack, his or her risk of sudden death is twice as great as the risk of a person who does not smoke.1

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E-Cigarettes 101

Electronic cigarettes: Are they safer than tobacco? Or are they a high-tech way to hook a new generation on a bad nicotine habit? Nobody knows yet. Research into the effects of e-cigarettes lags behind their popularity. But ready or not, the era of e-cigarettes is here. It’s a booming, billion-dollar industry -- on track to outsell tobacco products within a decade. The number of teens and tweens using these products doubled between 2011 and 2012. The time to get informed about these products...

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After you quit:

  • Your risk of having a heart attack is cut in half 2 years after you quit smoking. And 15 years after you quit, your risk of a heart attack is similar to that of a person who never smoked.
  • Even if you have already had a heart attack, quitting smoking will reduce your risk of having a second one.
  • Even if you gain weight when you quit, your risk of heart attack decreases.

How soon you quit matters. People who quit smoking before age 50 reduce by half their risk of dying in the next 15 years compared with continuing smokers.2 But if you quit smoking before age 35, almost all of the risks from smoking can be reversed.

If you already have coronary artery disease, your risk of a second heart attack and possible sudden death decreases when you quit smoking.

A person who smokes is twice as likely to die from a stroke as a person who does not smoke. After you quit, your risk of stroke slowly goes down over time.

WebMD Medical Reference from Healthwise

Last Updated: September 09, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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