Serotonin makes some people more susceptible to drug dependence than others

Sarah’s results suggest that pharmacotherapies that increase serotonin levels could be investigated as a way of preventing drug addiction.

And now the medical industry wants to prevent drug addiction with… more drugs.

Sarah’s research suggests that once drug use escalates and becomes frequent, the anti-addiction effect of serotonin is decreased. “Another brain chemical, dopamine, seems to be the critical determinant of drug addiction during this phase,” she says.

There is a wealth of research associating dopamine with drug addiction. Until recently, drug addiction research has focused on this chemical, which helps control the brain’s reward and pleasure centres.

Blaming dopamine for addiction doesn’t seem to be working… what else you got?

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