Positive expectations predict improved mental-health outcomes linked to psychedelic microdosing. - Kaertner, L. S.; Steinborn, M. B.; Kettner, H.; Spriggs, M. J.; Roseman, L.; Buchborn, T.; Balaet, M.; Timmermann, C.; Erritzoe, D.; Carhart-Harris, R. L. (Scientific Reports, 2021)