That said, the research has its own caveats.
Psychedelic drug treatment has emerged as a promising approach to improving peoples mental health in recent years.
Some envelopes would contain nothing but placebo, others contained a mix of both placebo and the drug.
Psilocybin mushrooms in a grow room at the Procare farm in Hazerswoude, central Netherlands.Photo: Peter Dejong (AP)
During the study, all the volunteers regularly filled out surveys about their ongoing psychological state.
The findings suggest that anecdotal benefits of microdosing can be explained by the placebo effect, the authors wrote.
There are some important caveats to these findings.
But the researchers argue theres a mundane explanation for that as well.
In 2019, the drug ketamine wasadaptedinto a FDA-approved treatment for depression.
So they dont discount the possibility that microdosing could still be useful for people experiencing mental illness.
Other possible applications for this approach include studying CBD, nootropics, and nutrition, they wrote.
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