Tilapia is America's universal go-to for fish. It's inexpensive, it lacks a particularly fishy taste, it's boneless, skinless, and you really can't mess it up overcooking it. But could there be a dark side to tilapia? Forget the foreshadowing. Yes.

In the wild, tilapia eat a delicious diet of algae and various plants, but most of the tilapia in the store doesn't come from the wild - they come from factory farms.

At these farms, tilapia are fed an unnatural, unhealthy diet of GMO corn and soy pellets. But what's the big deal?

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