Study Finds Marijuana Can Be Harmful to Youngsters

A growing body of evidence suggests that the use of marijuana, or cannabis, can negatively impact the developing brains of approximately one in four adolescents, according to researchers at Icahn School of Medicine at Mount Sinai, and the University of Montreal.

The study, published in the August 16, 2013, issue of Neuropharmacology, highlights that the younger the user of cannabis, the more susceptible he or she is to delinquency, lower educational attainment, difficulty in conforming to an adult role, and mental health issues.

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Is Marijuana Harmless?

Marijuana (Cannabis sativa) is the illicit drug most commonly used by teenagers in the United States. Although cannabis is not as addictive as other substances, such as heroin and cocaine, cannabis-dependent individuals still greatly outnumber those reporting dependence on other illicit drugs and the number of people seeking treatment for cannabis dependence continues to increase yearly. Despite these facts, there is a growing perception, particularly in adolescents and young adults, that cannabis is ‘harmless’ and there is currently much debate as to whether cannabis should be legalized. Unfortunately, most of the discussion and policies being made regarding cannabis have been done without significant consideration of scientific data. Our studies directly address the question regarding the long-term impact on the brain as a consequence of cannabis exposure during adolescence, a period of dynamic brain development.

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