Marijuana Abuse Blunts the Brain’s Response to Dopamine

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Abusing marijuana blunts the brain’s ability to respond to dopamine, the neurotransmitter that’s responsible for our feelings of pleasure, motivation, and reward. The effects of that “high” might actually lead to depression and anxiety, according to a new study published in Proceedings of the National Academy of Sciences this week.  Despite its prevalence, we know […]

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