Everyone on ‘Tiger King’ Is Bonkers. Is a Parasite to Blame?

A scientist discusses Toxoplasma — a possible cause for the bizarre behaviors

Photo: Marc Piscotty/Stringer/Getty Images

The following article contains minor spoilers for the Netflix docuseries Tiger King.

“Tiger King: Murder, Mayhem and Madness is a docuseries on Netflix that is taking the (currently house-bound) world by…