What is addiction?
We considered several factors in an attempt to explain and understand the causes of toxicomanie.Une thing is certain: there is no single cause of drug addiction. A person develops an addiction due to a combination of factors.
Genetic factors
Perhaps some people are genetically more vulnerable to the addictive drug can generate. Studies have shown that the risk of having a disorder associated with alcohol and other drug use is higher among those with a close relative has such a disorder (Glantz and Pickens, 1992). However, many people who are genetically vulnerable to addiction does not develop an addiction to drugs while others, who have no family history of addiction, do.
We regularly hear in the media as alcoholism, drug addiction is a disease. “I am not responsible for a disease”, said the drug … Without denying the therapeutic value of this concept is much more a factor of removing guilt, a scientific certainty, extensive research currently tend to consider substance abuse as a problem of lifestyle revolving around the overuse of 
