It doesn't specify what type of mushroom. All those whacked out stoners I knew back in 1980s Cornwall probably have razor sharp wits after a lifetime of magic mushrooms. I mean look at Aphex Twin. https://www.bbc.com/news/health-47554966
Mushrooms 'prevent mild brain decline'
Eating the fungi more than twice a week cut people's risk of memory and language problems, a study found.