LSD is only one thoughts-altering compound in a category of medications referred to as hallucinogens, which cause people to have hallucinations—items that someone sees, hears or feels that appear to be true but are in fact made via the mind. LSD stays a Plan I controlled material in the US. https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share