Yes... it was unclear before this particular research study. > The MRI scans found changes to participants' brains that appeared to be specifically associated

Yes... it was unclear before this particular research study. > The MRI scans found changes to participants' brains that appeared to be specifically associated with their alcohol use during these celebrations. The more that participants drank, the more atrophy was detectable in their posterior corpus callosum, notwithstanding their alcohol and cannabis use histories. The 17 participants who had experienced a blackout showed greater loss of volume in this brain region than those who did not.