|One-fifth of schizophrenia cases may involve the parasite T. gondii|
ScienceDaily, Wednesday 29 October 2014
Many factors, both genetic and environmental, have been blamed for increasing the risk of a diagnosis of schizophrenia. Some, such as a family history of schizophrenia, are widely accepted. Others, such as infection with Toxoplasma gondii, a parasite transmitted by soil, undercooked meat and cat feces, are still viewed with skepticism.