Adolescent Marijuana Use Is Linked to Altered Neural Circuitry and Mood Symptoms

"In a recent NIDA-supported study, males from low-income backgrounds who used marijuana in escalating frequency throughout their teen years exhibited disrupted connectivity at age 20 in a brain circuit that links rewarding experiences with motivation and mood. … disruption in the circuit at age 20 was associated with lower educational achievement and higher risk for depression at age 22." - NIDA

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Aaron Blumer's picture

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Correlation ("linked to") is not causation, but causation always correlates. What this kind of research does is point to a candidate for causation research. 

Views expressed are always my own and not my employer's, my church's, my family's, my neighbors', or my pets'. The house plants have authorized me to speak for them, however, and they always agree with me.