The disadvantages of smoking

Smoking is a form of addiction depending on the sedative effect of nicotine on the brain and nervous system. There are lots of reasons why people start smoking. The main reasons are peer group pressure, feeling left out while friends' smoke and trying to fit in with the crowd, stress at home, work, school, trying to attract attention, act cool or become popular, and calm down their nerves. Firstly, smoking impacts almost all aspects of …

…and smoke from burning end of a cigarette about two-thirds of the smoke enters into the environment. Cigarette smoke contains approximately 4000 harmful chemicals. The amount of second hand smoke employees are exposed to in different occupations was studied by the U.S. Environment Protection Agency. It was found that restaurant workers are exposed to 3 to 5 times more second-hand smoke than a typical workplace employee and 8 to 20 times more than someone who lives with a smoker.