- New research finds that the so-called "mind-altering" parasite Toxoplasma gondii is not associated with any personality traits, nor with rates of schizophrenia or depression http://blogs.discovermagazine.com/neuroskeptic/2016/02/20/myth-mind-altering-parasite-toxoplasma-gondii/#.vsqbjrjuqp5 20 comments science