A new study out of Harvard University shows that pasteurized milk products from factory farms is linked to causing hormone-dependent cancers. It turns out that the concentrated animal feeding operations model of raising cows on factory farms churns out milk with dangerously high levels of
estrone sulfate, an estrogen compound linked to testicular, prostate, and breast cancers.
Dr. Ganmaa Davaasambuu, Ph.D., and her colleagues specifically identified "milk from modern dairy farms" as the culprit, referring to large-scale confinement operations where cows are milked 300 days of the year, including while they are pregnant. Compared to raw milk from her native Mongolia, which is extracted only during the first six months after cows have already given birth, pasteurized factory milk was found to contain up to 33 times more estrone sulfate.
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