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January 30, 2019 04:00 pm

Mind-Altering Cat Parasite Linked To Schizophrenia in Largest Study Yet

Scientists claim they have found new evidence of a link between infection with the protozoan parasite, Toxoplasma gondii, and schizophrenia, in what is described as the largest study of its kind. From a report: T. gondii, a brain-dwelling parasite estimated to be hosted by at least 2 billion people around the world, doesn't create symptoms in most people who become infected -- but acute cases of toxoplasmosis can be dangerous. Healthy adults are generally thought to not be at risk from T. gondii infections, but children or people with suppressed immune systems can develop severe flu-like symptoms, in addition to blurred vision and brain inflammation. Pregnant women need to be careful too, as the parasite can cause foetal abnormalities or even miscarriage. Aside from the known physiological dangers, however, the stranger and more ambiguous risks associated with the parasite remain largely hypothetical -- although a huge body of research suggests something weird is going on. Causation remains very much disputable, but the brain-dwelling parasite -- commonly carried by cats and present in their faeces -- has been linked to a huge host of behaviour-altering effects. Virtually all warm-blooded animals are capable of being infected, and when T. gondii gets inside them, unusual things happen. In rodents, animals seemingly lose their inhibitions, becoming more exploratory and losing their aversion to cat odours.

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