From the “Lafarge” law to the law of 1916: The origins of the penalization of narcotics 

In a developed society, when a new threat is identified, the community’s answers seek to systematically include a legal component. Drug use is no exception to this rule. We intend to follow from 1845 to 1916, the legal responses that governments have implemented to stop the development of the non-therapeutic use of psychoactive products.