ikkyu
Bluelighter
A couple of friends of mine who happen to be mycologists have always told me it's a digestion issue, and I've come to agree with them after trying a few different mushrooms both raw and cooked and seeing how my stomach settled (or didn't settle) afterward.
I've found this article useful as well: http://www.mykoweb.com/articles/EatingRawMushrooms.html
I've found this article useful as well: http://www.mykoweb.com/articles/EatingRawMushrooms.html