Marijuana IS like other addictions, heavy use blunts dopamine

http://medicalxpress.com/news/2014-07-link-marijuana-abuse-blunted-dopamine.html

“People who abuse alcohol, nicotine, cocaine, methamphetamine and heroin experience a decreased ability to produce dopamine.”

a common indicator of addiction…

“The research suggests that people who use marijuana excessively have problems with the reward circuitry in their brains. Even when their brains produce large amounts of dopamine, marijuana abusers don’t respond to it normally. Personality tests showed that the marijuana abusers in the study were more likely to experience negative emotions, including depression, anxiety and irritability, than the controls were. This is a sign that marijuana abusers find it harder to experience pleasure than most people do.”

anhedonia

“It’s not clear whether excessive marijuana use damages the brain’s reward circuitry, [yes] or whether people who already have damaged reward circuitry use to make themselves feel better.” [no, clutching at straws]

One response to “Marijuana IS like other addictions, heavy use blunts dopamine

1. Be civil. 2. Be logical or fair. 3. Do not bore me.

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