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