The tobacco industry used few additives in us cigarettes before 1970. While many carcinogens are found in small amounts in ec fluid, aerosol, and exhale and may reduce cancer, the effects of ec. The present article provides a list of 98 hazardous. March 2000 11 accordingly, cigarette smoke is in the united states environmental protection agency s usepa group a and the iarc group 1 classification for carcinogens known to cause cancer in humans.
During o ur cataloging of the chemical components of tobacco and tobacco smoke, it b ecame apparent that the chemical research conducted on them from early in the 1800s to september 1953, the date of. Pdf this report discusses possible components of a harm reduction strategy for tobacco products. Our results provide a clear rationale for regulatory control of tobacco additives. Pharmacological and chemical effects of cigarette additives ncbi. It is not unexpected that multiple chemicals in cigarette. Harmful chemicals in tobacco products tobacco smoke. Tobacco smoke is a deadly mix of more than 7,000 chemicals. Ecigarettes can be used to deliver marijuana and other drugs. Formaldehyde is a chemical that, in liquid form, is used to preserve dead bodies. Harmful chemicals in tobacco products american cancer. Vinyl chloride is a manmade chemical that is used to make plastics. Cigarette smoke components and disease national cancer institute.
Tobaccodelivered nicotine is a chemical cocktail of substances that enhance the addictive. Chemical composition of tobaccosmoke and its related health risks 40. Pdf the chemical components of tobacco and tobacco smoke. Cigarettes are responsible for the vast majority of all tobaccorelated disease and death in the united states. At least 69 of these chemicals are known to cause cancer, and many are toxic.
Pdf chemical constituents of cigarettes and cigarette smoke. Other substances are added for flavor and to make smoking more pleasant. The basic components of most cigarettes are tobacco, chemical additives, a filter, and paper wrapping. There are more than 4,000 chemicals in smokeless tobacco products. In 1908, less than 10 chemical compounds were identified from tobacco smoke. Many of these chemicals also are found in consumer products, but these products have warning labelssuch as rat poison packaging.
Tobacco smoke is a toxic and carcinogenic mixture of more than 5,000 chemicals. Pdf the chemical components of tobacco and tobacco. The smoke from these products is a complex mixture of chemicals produced by burning tobacco and its additives. The chemical constituents in cigarettes and cigarette. In view of this chemical complexity, cigarette smoke has multiple, highly diverse effects on human health. The chemical constituents in cigarettes and cigarette smoke. Manufacturers can add hundreds of ingredients to a cigarette to make smoking more appealing and to mask the harshness of smoke. Tobacco, cigarettes and cigarette smoke jrc publications. When burned, cigarettes create more than 7,000 chemicals. How can the behaviour of additives in burning cigarettes be studied.