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 a person's health. Smoking causes diseases like asthma, and lung cancer, nearly 85 percent of all cases of lung cancer in the United States are caused by smoking. …