![The Longest Trip - podcast episode cover](https://f.prxu.org/7617/ecf7a38e-5ea4-4a00-84f2-38322cf011be/images/ba06d1cc-9e40-4fc9-88e1-f740715b9482/Altered-States-EP04.jpg)
Episode description
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?