A new study published in JAMA Psychiatry sheds light on how cannabis use disorder is linked to changes in the brain that are associated with psychosis. Using brain imaging techniques, researchers ...

People with cannabis use disorder (CUD) have higher dopamine levels in an area of the brain linked to psychosis, found a new study published in JAMA Psychiatry. The findings may help explain why ...

A McGill University-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis. “This could help explain why cannabis use ...

People with cannabis use disorder show signs of altered dopamine activity in the brain that mirror patterns seen in psychosis, according to a new brain imaging study published in JAMA Psychiatry.

A McGill University-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis. This could help explain why cannabis use ...

Cannabis use among adolescents was linked with a heightened risk of psychosis and bipolar disorder, a cohort study in JAMA Health Forum found. Almost a quarter of U.S. adults believe psilocybin should ...

As a teenager in the early 1980s, I smoked a ton of marijuana and spent most of my early high school years stoned out of my mind. It was a very troubling time for me. During my adolescence, I ...

On l’associe souvent au plaisir, mais c’est méconnaître l’étendue de son champ d’action ! Parce qu’elle régule aussi nos émotions, notre motivation et notre concentration, la dopamine joue un rôle clé ...

La dopamine est un neurotransmetteur essentiel. On la savait déjà impliquée dans de nombreux processus, dont l’important « circuit de la récompense ». De nouveaux travaux révèlent qu’elle joue ...