Co-occurring depression and cannabis use linked to less efficient brain networks

Co-occurring depression and cannabis use linked to less efficient brain networks

New research published in Drug and Alcohol Dependence provides evidence that experiencing depression symptoms alongside cannabis use is linked to less efficient communication across the brain compared to cannabis use alone. The study suggests that while cannabis use tends to increase overall connectivity in the brain, the presence of depression weakens this effect, resulting in a less integrated brain network. Scientists conducted this study to …