
What is a drug?
In accordance with the Charter of the United Nations Governments of Member States have the responsibility, inter alia, for the health of their peoples. To contribute to this purpose and to promote cooperation among themselves and with others and protect the health of all people, States meeting established that the World Health Organization is the specialized agency in the matter.
A classic definition given by the World Health Organization can guide us in trying to understand what these substances we call drugs, and to know what preventive actions can be made:
WHO says: “Drug” is any substance which, introduced into the body through any route of administration, produces a somewhat altered from the natural functioning of the central nervous system of the individual and is also likely to create dependence, either psychological, physical or both.