That's where zombie rodents play a role ... sort of hallucinogenic "Tom and Jerry" cartoon - but if Toxoplasma gondii can affect rodent brains, it can affect human brains as well.

Things like “They’re undead” or “They eat brains” or “Their flesh is usually rotting off their face.” You know, your typical children’s cartoon zombie stuff. This lady? Not so much.

The rotting flesh, the shuffling walk, the unintelligible groans — it's not hard to spot a zombie at a glance even among the most gruesome of Halloween monsters. But what's going on inside their ...

Three Zombie teens (done with total cartoon humor, not Resident Evil nasty). Each character has uniq... Read Full Review ...

With that in mind and with Halloween approaching, The Washington Post asked experts in several fields to address some zombie mysteries based on what is known about human bodies and brains.