You can also chew tobacco and smoke it in cigars or a pipe, but the .
most common form of smoking today is through cigarettes. Although studies continue to show the harmful effects of smoking, people continue to become addicted to this substance. According to the American Heart Association "more than 6,000 people under age 18 try a cigarette each day, and each day more than 2,000 persons under age 18 become daily smokers". The most obvious reason that people smoke is because of the addictive chemicals in the tobacco, but other factors usually compel someone to pick up the first cigarette, which gets them started for life. Whether it be one's parents or maybe peer pressure and the cultural activities that one grows up with, the factors are different for everyone but the long-term results are damaging to anyone.
Tobacco contains over 4,000 different chemicals and elements. These chemicals are taken into the body when tobacco is burnt, smoked, and inhaled. These chemicals have a mood altering affect on the body however many of them are harmful. When the smoke cools inside your lungs it condenses and forms tar, which contains carcinogens that can cause cancer. It also contains other poisonous chemicals such as carbon monoxide and hydrogen cyanide. If you think about this and the other diseases that smoking causes you begin to wonder why you or anyone else would ever want to smoke. It is the chemicals that tobacco companies put in their cigarettes that produce the feelings and sensations that can be pleasurable. For some, smoking relaxes them or makes them less anxious and for others it enlivens them. The chemical nicotine is the main cause for these feelings.
Nicotine, chemically, is a poisonous alkaloid (other alkaloids include cocaine and morphine), which when inhaled in cigarette smoke has major effects on your mood. When you inhale cigarette smoke it goes into the lungs and here the nicotine diffuses into the blood causing .