> Griffiths’s study found that, two months after taking psilocybin, the active ingredient in magic mushrooms, two-thirds out of 30 volunteers rated their subsequent trip as one of the five most meaningful experiences of their lives.
Further studies that ask the same question have pushed that number to as high as 87 percent of participants, confirming the curious fact that a group of molecules can reliably deliver on demand what the psychiatrist Viktor Frankl called the central human motivation: the search for meaning.