Smoking harms memory by reducing the amount of oxygen that gets to the brain.Studies shown that people who smoke find it more difficult to put faces with names than do nonsmokers.
Smoking affects many physical processes.Impaired lung function and constriction of blood vessels to the brain as two factors that can contribute to memory loss.
Prevention to stop smoking See your doctor,tobacco control research branch of the national cancer institute maintains a helpful website to help you quit smoking.
On a practical test of their recollection ability,people who on average had quit. Smoking for 2.5 years preformed 25 % better than current smokers did. People who had never smoked scored 37% better than the smokers.
People who smoke around 20 cigarettes once or twice a week,typically when out at the weekend,along with 28 people who smoke 10 to 15 cigarettes daily and 28 who had never smoked.All of them had no history of substance abuse .