[Health] Smoking: Women who give up before 30 to avoid risk of dying says report

Smoking: Women who give up before 30 to avoid risk of dying says report
http://www.bbc.co.uk/news/health-20108097
There is new evidence that smokers who give up before they reach middle age can significantly increase how long they live. A study of more than a million women showed that those who stopped smoking before they were 40 lived, on average, an extra 9 ...