| http://www.w3.org/ns/prov#value | - Thus, adolescent well-being research focused mostly on objective problems and disorders, such as smoking and drinking habits, (1-3) drugs, (4) stress, (5) psychosomatic symptoms, (5,6) and mental disorders7 Recent studies indicate a constant upward trend in substance use among both female and male adolescents in developed countries. (1-4,8-10) Previous studies (10-13) indicated a complex relations
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