Team DoctorNDTV | Wednesday February 24, 2010
Elderly people who smoke show a five-fold faster rate of age-related mental decline than people who never smoked. Among former smokers, mental decline occurred around twice as fast as in those who said they never smoked. Also, the more people smoked during their lifetimes, the quicker they appear to lose their mental faculties with age.
doctor.ndtv.com