No don't smoke the official Dope Smoke Dope Dope. He also does not smoke cigarettes or drink alcohol. I do drink red wine, I smoke cigarettes. Common mixtures include gasoline, cigarette smoke, and industrial waste. Cancer is caused by inhaling carcinogenic substances in tobacco smoke. Many people who smoke cannabis also smoke tobacco. This tar is chemically similar to that found in tobacco smoke or cigars. It can occur earlier in those who smoke tobacco. Sidestream tobacco smoke, or exhaled mainstream smoke, is particularly harmful. Ammonia is a constituent of tobacco smoke. I said I smoked; I didn't smoke. Afflicted individuals should not smoke tobacco products. It is more common among relatives of those with COPD who smoke than unrelated smokers. Butanone is a constituent of tobacco smoke. Copper is a constituent of tobacco smoke.