Ultimate Guide to LSD (Acid) - Experience, Benefits ...
In Europe, up to 4.7% of all people aged 15-64 have taken LSD at least once, and more than 0.3% of this same age group have used it in the past year. For additional reading on the history of LSD, please refer to the resources section and the book Acid Dreams: The Complete Social History of LSD: the CIA, the Sixties, and Beyond .