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some humans have been drinking animal dairy for so many thousands of years that some ethnicities have evolved to have a lactose breaking down mutation into adul

• lopis 5y ago
  The amount of dairy and refined dairy products people consume today, like meat, is orders of magnitude bigger than back in the day.
• daenz 5y ago
  >evolved Not disagreeing, but that's a much nicer way of saying that nobody wanted to mate with the ones having constant diarrhea.