Researchers are investigating whether the drug could be used in mainstream medicine—with and without its hallucinatory effects.

While dosing is the most significant determinant, other psychological and pharmacological factors also play a critical role. A positive mood before drug intake was strongly linked to elevated ratings ...

In large doses, lysergic acid diethylamide (LSD) can repair damaged neurons in the brain, and reveal new ways of seeing the world. In small doses, microdosers chase the effects of the drug on ...