- 33% of adults who used psychedelics experienced visual effects resembling HPPD 4 weeks afterward.
- Delusional thoughts significantly reduced following psychedelic use.
- Younger participants, women, and those with psychiatric conditions were more likely to report HPPD symptoms.
- Most participants were young adults with a mean age of 28.9 years. 5. Less than 1% of participants found the effects distressing.
Source: PNAS Nexus