“A woman in the village said that people go in dead to the retreat, and they come out alive.” For fans of the series Nine Perfect Strangers, you may think that this quote has been pulled from the pilot episode where some of the strangers hear about the transformative wonders of the elusive “Tranquillum” retreat and its guru-cult leader Masha Dmitrichenko.

These are instead the words of Dr Judy Hanley, a British trainee facilitator at the psilocybin retreat MycoMeditations in Jamaica. She tells me how she, and other locals in Treasure Beach, have seen the resurrecting properties of psilocybin first-hand.