Parasitic Mind Control

Toxoplasma gondii. AJ Cann, via Wikimedia Commons.

Infection with the microscopic parasite Toxoplasma gondii is associated with increased risk-taking in rodents, wolves, and even humans.

Read more about how - and why - this parasite manipulates its hosts’ behavior in my article for National Geographic: This Parasite Manipulates the Minds of Wolves, Rats - Maybe Even You.