dependence

For smokers, cigarettes or tobacco is the only way to manage stress because smoking is for them a source of relaxation and pleasure.

Mental or psychological dependence

Psychological dependence is due to feelings of pleasure and satisfaction provided by the nicotine on the brain. This phenomenon then leads to increased and sustained by the body from the effects of tobacco demand. The installation of this psychological dependence is not the same for all smokers. However, the effect of nicotine on the brain is faster and the mechanism of addiction can be initiated in the first consumption.

Physical dependence

Physical dependence is also due to the effect of nicotine on the body. The feelings of pleasure, relaxation and satisfaction stimulate the brain and lead to an increased demand for tobacco. In the absence of a product or an inadequate dose, the body reacts and several signs appear. These signs are the "withdrawal syndrome."

Installation mechanism dependence

The installation mechanism of addiction is following a circuit in the brain's reward system. It is a biological mechanism involving neurotransmitters secreted by the brain.