Cigarettes contain more than four thousand substances and two thousand of them have stated the impact is not good for our health, including a radioactive material (Polonium-201) and materials used in the paint (acetone), washing the floor (ammonia), ubat silverfish (naphthalene), insecticide (DDT), termite poison (arsenic), toxic gases (hydrogen cyanide) used in the "death chamber" for pesalah who undergo the death penalty, and many more. And substances in cigarettes are the most dangerous is the Tar, Nicotine and Carbon Monoxide. Tar contains more than forty three ingredients that cause cancer or so-called carcinogens. Substances have nicotine in cigarettes can cause addiction, which causes the user is very difficult to quit cigarette smoking. Nicotine is the substance in cigarettes that cause heart disease risk, 25 percent of people with heart disease caused by smoking.