Underground Milk

After illegal drugs, raw milk -- milk that’s unpasteurized and unhomogenized, just as it comes out of the cow -- may be the most briskly traded underground commodity in America. By a conservative estimate, some 500,000 people in the U.S. drink the stuff...
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Just a note: Humans are the only animals that (choose to) drink another animal's milk...

Related:
Raw Milk Is Gaining Fans, but the Science Says It's Dangerous
Is Raw Milk Safe to Drink?