Revenge is a dish best served raw

Sure, predator cats may have dined on our ancestors, but it seems we gave them ulcers (or, more correctly, passed along the bacterium that causes them) when they ate us.

Boo-yah! Take that, Simba.

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Carl Zimmer also has a nice take on this in his blog. Glad we can at least give kitty a sour stomach. That'll learn 'em! :)

Carl Zimmer has an excellent overview of this at this blog.