Rachel hadn’t invented the dangers of toxoplasmosis... — she’d gone online and built an airtight case. This wasn’t crazy talk. Neurobiologists had linked T. gondii to suicide and the onset of schizophrenia. All caused by exposure to cat poop. Some studies even suggested that the toxo brain parasites chemically coerced people to adopt more cats. Those crazy cat ladies were actually being controlled by an infection of single-cell invaders.