Nicotine
carcinogen
Over 1,000 different substance all in them
Nitrosamines
There are many substances in cigarette smoke, but the most popular ones are Butane and Methane. These chemicals are released in cigarette smoke and can cause many health issues.
Nicotine
The primary substance in cigarette smoke that contributes to lung cancer is benzene, a known carcinogen. Additionally, tobacco smoke contains numerous other harmful chemicals, including tar and formaldehyde, that can also promote cancerous changes in lung tissue. The combination of these substances damages DNA and leads to mutations that increase the risk of developing lung cancer.
yes it can
There is never a safe way to smoke a cigarette. Smoking causes a variety of health problems including lung cancer, emphysema, stroke, and bronchitis.
If the pollution in the air is cigarette smoke you can develope lung cancer. Second hand smoke is dangerous.
smoking is the most important risk factor responsible for the disease. Other environmental factors that may predispose a person to lung cancer include such industrial substances as arsenic, nickel, chromium
over 90%
tar