Quitting smoking prolongs life at any age

Kicking the smoking habit can add years of life even in one's 60s, new research in the New England Journal of Medicine shows. Younger smokers can gain a whole decade by quitting.It's never too late to quit smoking, and researchers have new data to prove it. Even at the age of 64, kicking the habit can add four years to a person's life, while quitting by age 34 can increase life expectancy by a decade, according to a study published online Wednesday by the New England Journal of Medicine.

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