Returning to operate the next Monday, 19 April, Hofmann decided to deliberately examination the LSD-25 on himself to root out the weirdness in the past week. Knowing the possible toxicity of ergot-associated compounds, he confirmed great warning in proscribing his First dose to 250 micrograms (?g) ­– 750 ?g shy of only one milligram (mg). Hofman… Read More