Toxoplasma gondii, a.k.a. toxo, is a major cause of vision loss and other serious complications, and it may even alter people's behavior.

Toxoplasma gondii, a.k.a. toxo, is a major cause of vision loss and other serious complications, and it may even alter people's behavior.

There's a fair chance you've not heard of the risks of the Toxoplasma gondii parasite – and a lack of awareness around it is a dangerous problem, scientists warn.