A new study from the University of Oxford shows that there is no safe amount of alcohol consumption for the brain. In fact, weekly consumption of alcohol was associated with lower grey matter density.
https://www.theguardian.com/society/2021/may/18/any-amount-of-alcohol-consumption-harmful-to-the-brain-finds-study?mc_cid=349af6d045&mc_eid=9109c62e2a