The Longest Trip

What happens when the effects of a psychedelic experience won’t fully go away?

Several years ago, Heather was given three doses of psilocybin as part of a clinical study for treatment-resistant depression. Ever since, she’s been experiencing strange visual distortions, including “visual snow” and shimmering walls. What’s it like to develop a chronic condition following a trip? And what do scientists know about why it happens and who’s at risk? 

Listen to the latest episode of the Altered States podcast here (or wherever you get your podcasts).