Well everyone has their own choice and lifestyle of living, Whenever we buy such product (Smoking cigarettes) or tobacco its usually mention on that packet in bold letters i.e "smoking is injurious to health and cause cancer" but then to people buy it. Even i would say government can also be blamed equally for this because if government is allowing such cancer product to sell into the market then how can we expect from people not to buy it.......!
the profession of a doctor is always accompanied by stress , although smoking does not help to fight stress , but nicotine pretends to help , so doctors often smoke