The harsh climatic conditions with scarce daylight and wide air temperature variations in the Siberian North are known to be of detrimental effect to the physical and mental health of the junior population. This age group is highly exposed to the risks of chronic noninfectious diseases often provoked by the physical inactivity and smoking. Objective of the study was to profile the physical inactivity and addictions to psychoactive agents (tobacco and alcohol) versus the mental health test data in this age group. Subject to the study were the 12-14 year-old (n=770) schoolchildren in 7 state schools of the Siberian North. The study data and analyses showed the addictions to psychoactive agents being of negative effect on the age group health as verified by the growing exposure to autonomic disorders and mental imbalances. It should be emphasized that the local education system is in critical need of new institutional models to secure due integration and succession in the primary health service (general and special)for the junior population of the Siberian North. © 2019, Teoriya i praktika fizicheskoy kul'tury i sporta. All rights reserved.

Health Psychoactive substances Psychological status Adolescents Autonomic disorders physical activity

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