Sarah Rose Siskind had a revelation during a psychedelic sound bath in Manhattan. It changed her approach to running her business and strengthened her relationship with colleagues. We spoke to ...

John Lennon, looking back on the first time the Beatles and their wives took LSD, describes a night of surreal hysteria. "It was insane going around London," he told Rolling Stone magazine in 1971.

Psychedelic substances like LSD and psilocybin — the active ingredient in magic mushrooms — are powerful, able to transform the way that people who use them perceive the world. Because of that, after ...