Tobacco smoke is full of cancer causing stuff like benzene, formaldehyde, polonium 210, cadmium, and chromium, just to name a few. TOBACCO MESSES WITH YOUR HEALTH BIG TIME. All in all there are more than 7,000 chemicals in tobacco smoke. At least 250 of them are harmful and 69 of them can cause cancer (carcinogens.)
NO WONDER it worsens asthma, bronchitis, emphysema, causes mouth and throat cancer, lung cancer, and even fertility problems. This list goes on—Rethink Tobacco.
National Cancer Institute