What is in tobacco that causes cancer?
Tobacco smoke has been thoroughly analyzed in many scientific studies. These studies have found that tobacco smoke contains thousands of chemical agents. In these thousands of chemicals, there are at least sixty substances which are known to cause cancer. Unfortunately, tobacco smoke also contains nicotine which is quickly absorbed in the bloodstream and travels to the brain. Nicotine is an extremely addictive drug with addiction rates similar to those of heroin and cocaine. This addiction locks people into the habit of smoking.
