In 2002, at a Johns Hopkins University laboratory, a business consultant named Dede Osborn took a psychedelic drug as part of a research project. She felt like she was taking off. She saw colors. Then it felt like her heart was ripping open. But she called the experience joyful as well as painful, and says that it has helped her to this day. “I feel more centered in who I am and what I’m doing,” said Osborn, now 66, of Providence, R.I. “I don’t seem to have those self-doubts like I used to have. I feel much more grounded (and feel that) we are all connected.”

Scientists reported Tuesday that when they surveyed volunteers 14 months after they took the drug, most said they were still feeling and behaving better because of the experience. Two-thirds of them also said the drug had produced one of the five most spiritually significant experiences they’d ever had. The drug, psilocybin, is found in so-called “magic mushrooms.” It’s illegal, but it has been used in religious ceremonies for centuries. The study involved 36 men and women during an eight-hour lab visit. It’s one of the few such studies of a hallucinogen in the past 40 years, since research was largely shut down after widespread recreational abuse of such drugs in the 1960s.

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With further research, psilocybin (pronounced SILL-oh-SY-bin) may prove useful in helping to treat alcoholism and drug dependence, and in aiding seriously ill patients as they deal with psychological distress, said study lead author Roland Griffiths of Johns Hopkins. Griffiths also said that despite the spiritual characteristics reported for the drug experiences, the study says nothing about whether God exists. “Is this God in a pill? Absolutely not,” he said. The experiment was funded in part by the National Institute on Drug Abuse. The results were published online Tuesday by the Journal of Psychopharmacology.