Toxoplasma gondii is a tiny organism that lives inside cells. It may well live inside your cells – the parasite up to 50% of the world’s population, along with cats and many other animal species.
This is worrying, because many researchers believe that T. gondii infection, or toxoplasmosis, can alter human behavior. Among other organs, the parasite infects the brain, and it has been blamed for making people more impulsive, and more prone to mental illness, including schizophrenia. The