Rest of the world: in a very gray zone or unregulated, except in Japan, in which it’s explicitly illegal. These government acid experiments—which also included dozens of universities, pharmaceutical businesses and clinical services—took place all through the fifties and sixties, just before LSD was considered way too unpredictable to employ https://social4geek.com/story3159494/what-does-how-long-does-lsd-stay-in-system-mean