Cannabis and other drugs such as alcohol and tobacco are psychotropic substances which, when ingested, alter mental processes such as cognition. The use of psychotropic substances takes the form of a spectrum. Movement across the spectrum is not necessarily linear; that is, a person can use substances in a variety of ways at different times in their life. It is possible to integrate measures intervention aimed at minimizing the risks and harms when the use becomes problematic. Problematic substance use refers to a way of using substances associated with psychological and economic problems or social, or which poses risks to the health or safety of the person and those around him.
It is important to understand that the use of substances such as cannabis is not equivalent to dependence or addiction.
Voir : http://bit.ly/campusmentalhealth-spectre
![](https://vilavi.ca/wp-content/uploads/Spectre-dusage-des-substances-psychotropes.jpg)