Q. Are you a smoker? A) Yes, I am a smoker B) I used to smoke C) I’ve never been a smoker An Oxford University study discovered that smoking can reduce your life expectancy by 10 years, as participants were at an increased risk of developing a serious health condition such as lung disease, heart disease, cancer or osteoporosis. But, the good news is you can undo the damage by quitting now! If you stop smoking in your 20s, you can reverse nearly all the negative effects. Quitting before you’re 30 will reduce your risk of dying from a smoking related disease by up to 97 per cent and quitting before turning 40 reduces it to 90 per cent. So it’s time to stub it out!