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
yes it can
If the pollution in the air is cigarette smoke you can develope lung cancer. Second hand smoke is dangerous.
There is never a safe way to smoke a cigarette. Smoking causes a variety of health problems including lung cancer, emphysema, stroke, and bronchitis.
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
cancer