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Study: Smoking shortens life span by at least 10 years

Study: Smoking shortens life span by at least 10 years

Kicking the habit by age 40 reduces the excess risk of death by about 90%, new research finds.

Cathy Payne, USA TODAY5
3:38p.m. EST January 23, 2013

People who smoke take at least 10 years off their life expectancy, a new study has found.

On the other hand, those who kick the habit before age 40 reduce the excess risk of death associated with continued smoking by about 90%, according to the study in Thursday's New England Journal of Medicine.

"Smoking is the No. 1 preventable cause of death in the U.S.," says Tim McAfee, a co-author of the study. "We need to do more to educate the American people about these findings," adds McAfee, director of the Office on Smoking and Health at the Centers for Disease Control and Prevention.

Read more: http://www.usatoday.com/story/news/nation/2013/01/23/smoking...