News that will give chocolate lovers pause: Not only is demand up for chocolate (thanks to seemingly endless reports of its health benefits) but supply is down, thanks to a shortage of cocoa beans in West Africa (the source for the majority of the world's beans). The result? Chocolate prices have soared to $12.25 per kilo (that's about 2 1/4 pounds)—up 45 percent from 2007, says The Wall Street Journal
. Cocoa butter prices are rising, too (that's what gives chocolate its melt-in-your-mouth texture), which means it's costing manufacturers more to make their product. A slightly more expensive bar may still be worth it, though (here's a scientific reason why you should indulge
, even—or especially—when you're stressed out).