Skip to main content

Table 1 Searches with keywords “treatment cluster” for each discussion forum and limitation of searches

From: Psychoactive substances as a last resort—a qualitative study of self-treatment of migraine and cluster headaches

Discussion forum Topics Topics initiated last year Included topics
Shroomery.org 409 23 7
Bluelight.org 152 27 4
Clusterbuster.org 161 12 8
Total included    19