Raw milk is displayed for sale at a grocery store in Torrance, California, on November 29, 2024. | Patrick T. Fallon/AFP via Getty Images Almost a century ago, public health agencies began mandating that milk be pasteurized for human consumption. We’ve been fighting about it ever since. Many, many scientific studies have shown that the process of pasteurization — heating milk to 161° F for 15 seconds and then rapidly cooling it — significantly …