Would You Know if a Parasite Were Controlling Your Mind?
For a few years now, health organizations have been warning that Toxoplasma gondii infection in humans has reached dangerous levels [1], but newer statistics and projections point to some pretty alarming numbers. It looks like in some regions (Italy and Pakistan, for example), more than a third of the population is infected with this parasite, and overall, it has infected around a billion people worldwide, though the burden is unevenly distributed. Because of this, it could fairly be called the most common parasitic infection in humans [2]. Once someone is infected, the parasite stays with them for the rest of their life; there is no effective drug to fully clear it, and no vaccine has been developed to prevent it either. Given the evidence, even if still limited, of its clinical effects, and given how widespread it already is (and will almost certainly become more so), people and health organizations around the world need to pay much closer attention to this issue. Toxoplasmosis life cycle Toxoplasma gondii is a parasite that absolutely needs cats to …

