The Effect of Smoking Habits on Different Histological Types of Lung Cancer in Kashmir.

A prospective study was conducted with the aim to determine the effect of smoking habits on different histological types of lung cancer. A total of 100 patients that included 91 males and 9 females with histological documentation of lung cancer were enrolled in the study. A detailed history was taken in each case that revealed active smokers 90%. Of which cigarette smokers were 40%, Hooka and Bidi smokers 17.7% and 5.6% of cases respectively. We also observed lung cancer was more common among farmers 34% who were active hooka smokers. Squamous cell carcinoma was the main histological type of lung cancer associated with all types of smoking habits.