Neuroscientists reveal brain mechanism related to how serotonin controls cocaine addiction

Contrary to common thinking, cocaine triggers an addiction only in 20% of the consumers. But what happens in their brains when they lose control of their consumption? Thanks to a recent experimental method, neuroscientists at the University of Geneva, Switzerland, have revealed a brain mechanism specific to cocaine, which has the particularity of triggering a massive increase in serotonin in addition to the increase in dopamine common to all drugs.