Lifetime Classic Psychedelic Use and Headaches: A Cross-Sectional Study
A cross-sectional study finds that lifetime psychedelic use is linked to a lower prevalence of frequent severe headaches, suggesting therapeutic potential.

Title & Introduction
- Paper Title: Lifetime Classic Psychedelic Use and Headaches: A Cross-Sectional Study
- Published In: Journal of Psychopharmacology
- Publish date: March 12, 2025
- Authors: Zusanna Bjurenfalk, Alva Cosmo, Otto Simonsson, Caroline Ran
- Objective: To examine the relationship between lifetime use of classic psychedelics and the frequency of headaches in a large British cohort.
- Importance: Provides new insights into the potential therapeutic benefits of psychedelics for headache disorders, particularly in reducing the frequency of severe headaches.
Summary & Takeaways
Key Takeaway: Individuals with a history of classic psychedelic use had a 25% lower likelihood of experiencing frequent severe headaches compared to non-users.
Practical Application:
The findings suggest that classic psychedelics such as LSD and psilocybin may have long-term protective effects against chronic headache disorders and warrant further clinical investigation.
Key Background Information
- Context: Cluster headaches and migraines are highly disabling conditions with limited effective treatments. Psychedelics have been historically reported to alleviate headache symptoms, but empirical evidence remains limited.
- Hypothesis: Lifetime use of classic psychedelics is associated with a lower prevalence of frequent severe headaches.
Methodology
- Study Design: Cross-sectional observational study using a large cohort dataset.
- Participants: 11,419 individuals from the 1958 British National Child Development Study.
- Intervention/Exposure: Self-reported lifetime use of classic psychedelics (LSD, psilocybin).
- Controls: Adjustments for potential confounders, including demographic and health-related variables.
- Duration: Retrospective analysis of lifetime psychedelic use and headache frequency.
Key Findings
Primary Outcomes:
- Individuals with lifetime psychedelic use had 25% lower odds of reporting frequent severe headaches.
- The association remained significant even after controlling for age, sex, mental health history, and substance use.
- No significant relationship was found between non-psychedelic illicit drug use and headache frequency.
Secondary Outcomes:
- Findings support historical reports of psychedelics alleviating migraine and cluster headaches.
- Further research is needed to determine whether this association is causal or correlational.
Interpretation & Implications
- Conclusion: The study provides evidence that classic psychedelics may be associated with a reduced risk of frequent severe headaches, though causality cannot be determined from observational data.
- Implications: Future clinical trials should explore psychedelics as a potential treatment for chronic headache disorders.
- Limitations: Self-reported psychedelic use and headache frequency may introduce recall bias. Additionally, the study design does not establish causality.
Researchers & Publication
- Researchers: Zusanna Bjurenfalk, Alva Cosmo, Otto Simonsson, Caroline Ran
- Publication Name: Journal of Psychopharmacology
- Study URL: https://doi.org/10.1177/02698811251324372