How many carcinogens are in cigarettes?

Harmful Chemicals in Tobacco Products Tobacco smoke. Cigarettes, cigars, and pipe tobacco are made from dried tobacco leaves. Other substances are added for flavor and to make smoking more pleasant. The smoke from these products is a complex mixture of chemicals produced by burning tobacco and its additives. read more

Smoking is the leading cause of premature, preventable death in this country. Cigarette smoking and exposure to tobacco smoke cause about 480,000 premature deaths each year in the United States . Of those premature deaths, about 36% are from cancer, 39% are from heart disease and stroke, and 24% are from lung disease . read more