In the weeks before Valentine's Day, U.S. consumers will buy nearly 58 million pounds of chocolate. This love affair is not limited to just one day or one country: chocolate has spread from its native home in Central and South America to conquer the world. But today, cacao cultivation is facing a series of wicked problems—ones that threaten to drastically shrink the supply of chocolate just as global demand grows. If the threats aren't taken seriously, might we lose one of our favorite treats? And, if so, will we also lose our next wonder drug?