Is toxoplasmosis real?

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I heard it from Joe Rogan enough times now. Is toxoplasmosis real? Does it make you act crazy/impulsive?
I have an adult cat and 3 kittens... I always wash my hands after I touch them... I have gotten real paranoid about this...

I mean how could you really know what these cats have licked or sat on and whether they are infected or not?