LSD is just one brain-altering substance in a category of medicine referred to as hallucinogens, which induce persons to acquire hallucinations—things that somebody sees, hears or feels that seem like genuine but are in truth established with the intellect. Albert Hofmann, a researcher with the Swiss chemical firm Sandoz, 1st https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share