Classic psychedelics, health behavior, and physical health.

"availability of data and materials: the data and stata syntax are available at the open science framework: https://doi org/10 6084/m9 figshare 21490059 v1 [data] and https://doi org/10 6084/m9 figshare 21490569 v1 [syntax]. availability of data and materials: the data and stata syntax are available at the open science framework"

"The authors declared the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: P.S.H. is on the scientific advisory board of Bright Minds Biosciences Ltd., Eleusis Benefit Corporation, and Reset Pharmaceuticals Inc. O.S. and R.C. are co-founders of Eudelics AB."

"Funding: The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: O.S. was supported Osmond Foundation and Ekhaga Foundation. S.B.G. was supported by a grant (K23AT010879) from the National Center for Complementary and Integrative Health. Support for this research was also provided by FORMAS, Swedish Research Council for Sustainable Development (Grant number: FR-2018/0006), Three Springs Foundation through the Monash Centre for Consciousness & Contemplative Studies, the University of Alabama at Birmingham School of Public Health, and the University of Wisconsin–Madison Office of the Vice Chancellor for Research and Graduate Education with funding from the Wisconsin Alumni Research Foundation and with funding from the Wisconsin Center for Education Research."