The phenomenon of addiction to psychoactive substances is a global social problem. The problem concerns people of all ages, regardless of social status, gender or origin, with too many populations experimenting with intoxicants. The spreading phenomenon is increasingly affecting adolescents who, in the age of development and accessibility, are becoming a frequent consumer of consciousness-changing agents. The aim of the article is to approximate preventive measures that will reduce and eliminate the phenomenon of consumption of psychoactive substances by young people. The publication also addresses the issue of contemporary problems and threats that young people face in everyday life, as well as helps to find out the reasons for the use of toxic substances by adolescents. A significant part of the article is devoted to the role of the family, which plays a preventive role in eliminating the phenomenon. Not without significance is the school environment in which young people spend a significant amount of time. Preventive programs are also presented, which reduce the consumption of narcotic substances by adolescents.