Smoking can be injurious to health yet most of the Lung Cancers cases still prevail due to excessive smoking & tobacco use. Smoking is major cause of all health problems including High BP, Blood sugar, heart & kidney disease etc. Dr. Jagdish Rawat, Sr. Chest Physician & Pulmonologist at Kailash Hospital Dehradun explain all the bad effects of Smoking & Preventing excessive tobacco use. He also advices people to consult chest specialist for any signs of breathlessness, asthma, bronchitis etc. which may be related to a chronic lung disease.