It's very popular these days to compare humanity to a parasite that is destroying the planet, to comment on how the Earth would be better off without us, etc. But have you ever stopped to consider that maybe the seemingly unstoppable destruction that results from human behavior could be caused by a literal brain infection? As many as 1 in 3 people are infected with a protozoan parasite called Toxoplasma gondii, which breeds in cats' stomachs and bizarrely causes infected mice and rats to be sexually attracted to the smell of their predator's urine. Read more to see what scientists observe in humans with this ancient parasite. Maybe you'll ponder some things you never have before.
https://www.usnews.com/news/articles/2012/12/07/can-humans-be-controlled-by-tiny-parasites