Chocolate is recalled for containing undeclared ingredients that can cause severe or fatal allergies in consumers ...

You get a bit of fiber, too — about 3 grams per 1 ounce of dark chocolate, according to the U.S. Department of Agriculture. Chocolate is rich in polyphenols, beneficial compounds produced by plants.

Before you start scarfing down an entire chocolate bar, however, be aware that a serving is 1 ounce, and it must be dark chocolate to do the trick — milk chocolate lovers are out of luck.