Low-dose LSD is safe in outpatient settings, but doesn’t improve ADHD symptoms in adults compared with placebo, a new trial ...

A landmark clinical trial testing the effect of microdosing LSD on symptoms of attention-deficit hyperactive disorder (ADHD) ...

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The dose of LSD—20 micrograms—is considered to be at the higher end of the microdosing range and was chosen to increase the chance of detecting any therapeutic benefit.