It's every woman's dreaded nightmare: ending up as the neighborhood spinster, crowned with the title "Crazy Cat Lady." However, new research may have discovered what causes the "crazy."

According to CBS News, a common cat parasite has been linked to angry outbursts in humans. Researchers at the University of Chicago have discovered a link of Intermittent Explosive Disorder (IED) to a parasite that is commonly spread from cats to people.

Cats transmit the parasite though their feces, and humans can contract it by handling their litter.

However, before you get rid of your furry friends. The study also stated that the parasite is found in 30 percent of humans, and in many cases can be harmless. It can also be found in undercooked meat or contaminated water.