Returning to operate the next Monday, 19 April, Hofmann chose to deliberately exam the LSD-25 on himself to root out the weirdness from the preceding 7 days. Being aware of the opportunity toxicity of ergot-connected compounds, he showed excellent caution in proscribing his First dose to 250 micrograms (?g) ­– 750 ?g shy of a single milligram (m… Read More