Is it worse for your body to chain-smoke several packs of cigarettes a day for a year , or to smoke the same amount of cigarettes over 10 or 20 years ?
I smoked cigarettes in my early 20s , quit for 7 years and then smoked lightly -LRB- 2 packs a week , or so -RRB- into my mid 30s and have now been totally quit for 5 years or so . Is smoking still going to kill me ?