"Philosopher Andy Norman dives into the world of mind-parasites, ideas that cause destructive thinking and extremism, and describes how to inoculate your mind to keep it safe from bad ideas"-- COVID denial persists in the face of overwhelming evidence. Anti-vaxxers compromise public health. American Nazis march openly in the streets. Flat Earth theory is back. Norman shows that these phenomena share a root cause: We live in a time when the so-called...