Nicotine contains at least 69 chemicals.
Answer analysis: Nicotine is a main component in tobacco and a highly active neurotoxin, which is mainly found in inhalable particulate matter in smoke. Long-term smoking or passive smoking can lead to nicotine addiction and cause serious harm to human health, such as increasing the risk of cardiovascular disease, respiratory disease, cancer and other diseases.
Nicotine contains at least 69 carcinogens.
Tobacco contains approximately 3,000 to 4,000 chemical substances, including 69 carcinogens. Nicotine is an addictive substance for smokers and will cause withdrawal symptoms after stopping smoking.