MATERIAL AND METHODS
This study was conducted in the Department of Physiology,Physiology Section Mamta Mohan1, Ap rajita2, Neeraj Kant Panwar3Rajindera Medical College, Patiala, India. The subjects comprised of 150 randomly selected, male carpenters who were in the age group of 18–45 years. Their ages, smoking habits, duration of exposure, physical status and health conditions were recorded by using a questionnaire. After recording their brief history, they were examined as per the proforma, which was attached. The ethical committee’s clearance and informed consents of the subjects were obtained.