Even investors and criminals are turning their attention to one of the strangest moneymakers in agriculture. Think the price of beef is high? You should see the cost of cattle gallstones.

Think the price of beef is high? You should see the cost of cattle gallstones. Cattle gallstones have been used for millennia in Chinese medicine, most often to assist stroke victims. And it's got ...

Think the price of beef is high? You should see the cost of cattle gallstones. Cattle gallstones have been used for millennia in Chinese medicine, most often to assist stroke victims. And it's got ...