Neurotoxicity and LSD treatment : a follow-up study of 151 patients in Denmark Jens Knud Larsen University Hospital of Aarhus, Risskov, Denmark History of Psychiatry, 2016, Vol. 27, (2), 172–189 DOI: 10.1177/0957154X16629902   Abstract LSD was introduced in psychiatry in the 1950s. Between 1960 and 1973, nearly 400 patients were treated with LSD in Denmark. By 1964, one homicide, two suicides and four suicide attempts had been reported. In 1986 the Danish LSD Damages Law was passed after complaints by only one patient. According to the Law, all 154 applicants received financial compensation for LSD-inflicted harm. The Danish State Archives has preserved the case material of 151 [...]