WHO | World Health Organization

, any coughing and wheezing eases and your lung function improves by up to 10%. After one. year. your risk of a heart attack is half that of a smoker. After 10 years, your chance of developing lung cancer falls to half that of a smoker. After up to . 15 years. your risk of having a stroke is around the same as someone who has never smoked ... ................
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