Why Does Pollen Trigger a Self-Destruct Sequence?Your body's defense system mistakes flowers for fatal threats.

From the show

Oh, god... really?

The immune system is supposed to protect us, yet it treats harmless plant sperm like a level-five biohazard. This episode grills the creator on why the body’s security software is so buggy that it tries to suffocate us just because spring arrived. It is a massive waste of biological energy and tissues.