including a standard fear-of-dying metric, the Death Transcendence Scale, at one- and fourteen-month intervals. Just as with Britton’s NDE survivors, Griffiths found significant, sustained change: a marked decrease in their fear of death, and a significant uptick in their attitudes, moods, and behavior. Ninety-four percent of his subjects said taking psilocybin was one of the five most meaningful experiences of their lives. Four out of ten said it was the most meaningful.