In its purest variety, LSD looks like a white or colorless crystalline powder, has no odor, and might taste bitter. But in this way, even the smallest dose is usually strong and hazardous. LSD can also result in prolonged-phrase, adverse outcomes. For instance, some people encounter a sort of flashback https://medium.com/@LsdWorld/the-future-of-lsd-research-and-potential-medical-uses-40ebd16dd150