"To combat this misconception in the existing literature, the researchers gave a fresh look at some existing neurological imaging data from the MRIs of both adolescents and adults to see how, using the same variables and controls, the influence of cannabinoids on the brain compared to or contrasted with alcohol. "With alcohol, we’ve known it’s bad for the brain for decades," said Hutchison. "But for cannabis, we know so little." To see any potential difference, the researchers used the data to examine the most important neurological components: gray matter and white matter. Gray and white matter are the two main...