A study conducted by Gottingen University in Germany shows that the hippocampus shrinks less for drinkers of beer than wine or the hard stuff:
The groundbreaking study shows that the hippocampus, the part of the brain involved in memory, spatial tasks and many other functions, was more than 10 per cent smaller in those whose tipple was wine than in those who favored beer.
Beer Drinkers? Bigger Brains! [Dethroner]