A recent study related to neurotheology was done at Johns Hopkins University involving the mystical effects of psilocybin. A review of the study can be seen here:
Johns Hopkins Gazette | July 24, 2006
On a perhaps lighter note a new entheogen based religion has been made out of the movie The Matrix:
Matrixism: the path of the One, The Matrix Religion (Sim Jedi Religion)
I wonder if this will rival the Jedi religion on the next Australian or UK census.