According to research data, in today's Russia 70 percent of children are born with various health risk factors, and this leads to a rapid deterioration of their health during their school years. The health of school students is getting worse as a consequence of the effect of a whole set of social and economic and psychological factors, and the…

Tested three hypotheses concerning effects of pubertal timing on substance use during early adolescence. Findings supported only the stage termination hypothesis. Early maturing boys and girls reported a higher frequency of substance use within the following year after puberty than did the other participants, with the effects being more pronounced…

This monograph presents the proceedings of the first National Institute on Drug Abuse technical review related to the conduct of controlled studies on prenatal exposure to drugs of abuse. Papers in the monograph are categorized by session. The first session (two papers) focused on the detection and quantification of prenatal drug exposure in…

Noting that swift growth with the accompanying desire for independence during early adolescence creates tension in the family that is often difficult for parents to understand, accept, and handle, this book is designed to help parents adapt their roles to nurture the physical, social, emotional, and intellectual development of their early teen.…