How has toxoplasma turned the world into zombies?

Toxoplasmosis is a parasitic infection that favors cats, but it can also be found in humans. Discover the disturbing details of how toxoplasma gondii finds a host -- and how it affects human beings -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com