Over his fifty-year tenure at the Johns Hopkins School of Medicine, Dr. Griffiths dedicated years to investigating the effects of mood-altering substances, including opiates, cocaine, sedatives, alcohol, nicotine, and caffeine, on the human brain.
In 1999, Johns Hopkins University gave Dr. Griffiths the green light to resume research into the medical promise of psilocybin – a decision that catapulted the psychedelic medicines field.
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