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People who consistently smoked an average of less than one cigarette per day over their lifetimes had a 64 percent higher risk of earlier death than never smokers, and those who smoked between one and 10 cigarettes a day had an 87 percent higher risk of earlier death than never smokers, according to a new study from researchers at the National Cancer Institute (NCI). Risks were lower among former low-intensity smokers compared to those who were still smokers, and risk fell with earlier age at quitting. The results of the study were reported December 5, 2016, in JAMA Internal Medicine. NCI is part of the National Institutes of Health.

See original article at: https://www.cancer.gov/news-events/press-releases/2016/low-intensity-smoking-risk