Tweak says, "Beware the zombie bikers!"
https://www.newscientist.com/article/2119397-how-lsd-affects-the-brain-and-creates-its-trippy-effect/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news&campaign_id=RSS%7CNSNS-news
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