I believe Oregon recently legalized psychedelic mushrooms. You can always grow your own too. You just have to find a source for spores or clones.Although, that would be considered illegal in just about every state. Edit: Apparently, spores are legal to purchase in every US state, except California, Idaho and Georgia. https://www.leafly.com/news/health/how-to-buy-shroom-spores

100+ years ago the population peaked at around 21,000. Now, they are less than 400. Of course the population is leveling off. It is near zero. Once it hits zero it will level off permanently.