Effect of Cigarette Smoking on Leukocytes Count in Human Adult Males

This study was done to compare total and differential leucocyte count in smokers and non smokers. It was conducted on 70 healthy male volunteers (35 each), 18-25 years of age. The study population consisted of 35 healthy adult smokers. The number of cigarettes smoked by them was upto 9 cigarettes per day for last 2-5 years. Control group consisted of 35 healthy adult Non- smokers of the same age group. The term "non smoker" was applied to one who had never smoked any type of cigarette. The results for both the groups were compared by using unpaired T-test.

Total WBC count was significantly higher in smokers as compared to non smokers. There was significant increase in the number of lymphocytes in smokers as compared to non smokers.