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Altered States of Mind

October 8, 2025
By: UC Berkeley Center for the Science of Psychedelics

When a neurosurgeon claimed he glimpsed the afterlife during a coma, skeptics offered a more earthly interpretation – a surge of DMT produced by his own body. Was his tale of eternity a trick of the brain, or a window into something science can’t explain?

image of orange graphic saying "altered states"Psychedelics are now at the center of a global conversation about mental health, mysticism, and even how we experience illness and death. In Altered States, host Arielle Duhaime-Ross explores how people are taking these drugs, who has access to them, how they’re regulated, who stands to profit, and what these substances might offer us as individuals and as a society. Listen to more episodes here.

Read the transcript here