Ever Had a Really Long Acid Trip? Now Science Knows Why

Published: Feb. 2, 2017, 8:12 a.m.

Few tropes in modern America are as enduring as the LSD Trip Gone Far Too Long. It should all be over after a few hours, right? OK maybe not. Eight? Ten? Probably should have cleared more of my calendar. Even though science has long had an intimate relationship with LSD-chemist Albert Hofmann first synthesized it way back in the '30s-why the drug insists on producing such lengthy hallucinations hasn't been so clear. Until now.