Past studies have suggested a link between cat ownership and psychosis, specifically Schizophrenia. But researchers say the latest studies simply don't show any association. That's bad news for the crazy ole cat lady, who can't use her feline friends as an excuse. 
Pregnant women are advised to avoid cat litter boxes — so they don't get infected with Toxoplasmosis gondii, which can cause birth defects. Recent research also suggests that this parasite may also be linked to neurodegenerative diseases such as Parkinson's and Alzheimer's.
One company CEO's decision to exploit his monopoly of an important drug to increase its price by a factor of 55-fold is despicable indeed. However, it should not be used as a rationale by politicians to mandate government price controls on all Rxs.