Aspirin Misuse May Have Made 1918 Flu Pandemic Worse
https://www.sciencedaily.com/releases/2009/10/091002132346.htm
Well around that same time people thought x-rays were so great they would bathe in them like at a tanning salon. Unexpectedly, they got radiation sickness and cancer and many died. I guess it was a darwinistically self limiting fad.