Cannabis is the most commonly microdosed substance in the U.S., with about 9.4% of adults — roughly 24 million people — reporting lifetime use. Cannabis microdosing was nearly twice as common as psilocybin, LSD or MDMA. Microdosing was more common among people reporting poorer mental health.

Cannabis is the most commonly microdosed substance in the U.S., with about 9.4% of adults — roughly 24 million people — reporting lifetime use. Cannabis microdosing was nearly twice as common as psilocybin, LSD or MDMA. Microdosing was more common among people reporting poorer mental health.