So - you think cat scat was just merely annoying and smelly ... well this is the reason why for the crazy cat lady down the road:
Guided by Parasites: Toxoplasma Modified Humans @
"Toxoplasma (Toxoplasma gondii) [Toxo] was first observed in 1908. You may have heard of it as the crazy parasite that makes rats attracted to cats. This, in its own right, is astonishing, interesting, & bizarre. It has also been widely known that pregnant women should stay clear of cat scat & other sources for Toxo as it can adversely affect the development of the fetus."