This post also ignores how quickly tolerance builds up in the system before leveling off. Even if they truly felt threshold psychoactive effects from only 1mg,

This post also ignores how quickly tolerance builds up in the system before leveling off. Even if they truly felt threshold psychoactive effects from only 1mg, that would subside within a month at most. This leads me to believe parent is experiencing placebo effect. I'd bet they haven't done a blind study.