You’re having a bad day. You snap at your spouse, act short with your colleagues, and cut off other drivers on your commute home. Are you the victim of a bad mood? Or is your problem that your brain is infected with behavior-modifying parasites?
It’s a disgusting prospect, but a brain infection might well be the cause.
There’s something innately repellent about parasites – organisms that invade their hosts and feast upon their bodies from within. But in the gallery of biological horrors a special place has to be reserved for that bizarre and horrid class of parasites which hijack not only their hosts’ bodies but their brains as well, causing them to engage in behavior that suits the purposes of the invading organism.
Thousands of such parasites are known to science, Read the rest of this entry »