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 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
After you quit:
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. 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
A person who smokes is twice as likely to die from
stroke as a person who does not smoke. After you quit, your risk of stroke slowly goes down over time.
CitationsNational Guideline Clearinghouse (2001, revised 2013). Guideline synthesis: Treatment of tobacco dependence. Available online: http://www.guideline.gov/syntheses/synthesis.aspx?id=43817.Other Works ConsultedInoue-Choi M,
et al. (2016). Association of long-term,
smoking with all-cause
mortality in the National Institutes of Health-AARP Diet and Health Study. JAMA
Internal Medicine, published online December 5, 2016. DOI:10.1001/jamainternmed.2016.7511. Accessed December 8, 2016.
ByHealthwise StaffPrimary Medical ReviewerAdam Husney, MD - Family MedicineElizabeth T. Russo, MD - Internal MedicineKathleen Romito, MD - Family MedicineSpecialist Medical ReviewerMichael F. Bierer, MD - Internal Medicine,
Current as ofMarch 20, 2017
Current as of:
March 20, 2017
Adam Husney, MD - Family Medicine & Elizabeth T. Russo, MD - Internal Medicine & Kathleen Romito, MD - Family Medicine & Michael F. Bierer, MD - Internal Medicine,
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Last modified on: 8 September 2017