Well MDMA and other psychedelics do have major effects. I think the ultimate source of the article's claims is this study, but there might be others I am not a

Well MDMA and other psychedelics do have major effects. I think the ultimate source of the article's claims is this study, but there might be others I am not aware of - the research of psychedelics has exploded lately. https://pubmed.ncbi.nlm.nih.gov/30944474/ https://pubmed.ncbi.nlm.nih.gov/30944474/