 really difficult. Um, methamphetamine today, for instance, is something, uh, about which there's a lot of scaremongering. Um, but methamphetamine has historically been used in different psychiatric medications. Um, I think it goes by the brand name desoxan today. It used to be methadrine. Um, in the post-war period, you could, you could procure a, uh, methamphetamine inhaler over the counter until 1965. Um,