If you smoke, now is a very good time to quit

November 05, 2018

DALLAS, Nov. 5, 2018 -- For former smokers it took more than 15 years for cardiovascular disease risk to return to the level of those who never smoked, according to preliminary research to be presented in Chicago at the American Heart Association's Scientific Sessions 2018, a premier global exchange of the latest advances in cardiovascular science for researchers and clinicians.

Cigarette smoking in the United States is on the decline, which means there are more former smokers. Studies to date suggest that the increased risk for cardiovascular disease in smokers diminishes a few years after quitting, but those studies have not been able to look as closely at smoking history, including changes in smoking habits such as variations in cigarettes smoked per day, or quitting followed by relapse to smoking.

In this study, researchers analyzed information, including lifetime smoking history, of nearly 8,700 participants of the Framingham Heart Study who were free of cardiovascular disease at the start of the study. The midpoint of follow-up among participants was 27 years, during which cardiovascular disease risk was compared among current, former and never smokers.

Researchers found:"These findings underscore the benefits of quitting smoking within five years, which is 38 percent lower risk of a heart attack, stroke, or other forms of cardiovascular disease risk compared to people who continue to smoke. We also found that cardiovascular disease risk remains elevated for up to 16 years for former smokers compared to people who have never smoked," said Meredith Duncan, M.A., study author and Ph.D. student at Vanderbilt University Medical Center in Nashville, Tennessee. "The bottom line is if you smoke, now is a very good time to quit."
-end-
Note: Scientific presentation is 2 p.m. CT, Sunday, Nov. 11, 2018.

Meredith Duncan, M.A., Vanderbilt University Medical Center, Nashville, TN

Additional Resources:Statements and conclusions of study authors that are presented at American Heart Association scientific meetings are solely those of the study authors and do not necessarily reflect association policy or position. The association makes no representation or warranty as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at https://www.heart.org/en/about-us/aha-financial-information.

About the American Heart Association

The American Heart Association is a leading force for a world of longer, healthier lives. With nearly a century of lifesaving work, the Dallas-based association is dedicated to ensuring equitable health for all. We are a trustworthy source empowering people to improve their heart health, brain health and well-being. We collaborate with numerous organizations and millions of volunteers to fund innovative research, advocate for stronger public health policies, and share lifesaving resources and information. Connect with us on heart.org, Facebook, Twitter or by calling 1-800-AHA-USA1.

American Heart Association

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