Addiction Science

Impacts of Drugs on Neurotransmission

Drugs can alter the way people think, feel, and behave by disrupting neurotransmission, the process of communication between neurons (nerve cells) in the brain. Many scientific studies conducted over decades have established that drug dependence and addiction are features of an organic brain disorder caused by drugs’ cumulative impacts on neurotransmission. Scientists continue to build on this essential understanding with experiments to further elucidate the physiological factors that make a person prone to using drugs, as well as the full dimensions and progression of the disorder.

Principles of Substance Abuse Prevention for Early Childhood

This guide, intended for parents, practitioners, and policymakers, begins with a list of 7 principles addressing the specific ways in which early interventions can have positive effects on development; these principles reflect findings on the influence of intervening early with vulnerable populations, on the course of child development, and on common elements of early childhood programs.
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