The Side Effects of the Hormones in Milk

Date: 2025-09-22 11:59:52

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The genetic manipulation of dairy cows enabling them to lactate throughout their pregnancies leads to unnaturally high levels of estrogens in retail milk. Within an hour of drinking dairy milk, blood levels of the estrogen estrone in men go up and testosterone goes down.

For more on hormones and milk, see:
• The Effects of Hormones in Dairy Milk on Cancer (https://nutritionfacts.org/video/the-effects-of-hormones-in-dairy-milk-on-cancer/)
• Skim Milk and Acne (https://nutritionfacts.org/video/skim-milk-and-acne/)
• The Effects of Hormones in Milk on Infertility in Women (https://nutritionfacts.org/video/the-effects-of-hormones-in-milk-on-infertility-in-women/)
• Dairy and Cancer (https://nutritionfacts.org/video/dairy-and-cancer/)
• Why Do Vegan Women Have 5x Fewer Twins? (https://nutritionfacts.org/video/why-do-vegan-women-have-5x-fewer-twins/)
• Prostate Cancer and Organic Milk vs. Almond Milk (https://nutritionfacts.org/video/prostate-cancer-and-organic-milk-vs-almond-milk/)
• Dairy and Sexual Precocity (https://nutritionfacts.org/video/dairy-sexual-precocity/)
• Soy Milk for Vaginal Menopause Symptoms (https://nutritionfacts.org/video/soy-milk-for-vaginal-menopause-symptoms/)

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-Michael Greger, MD FACLM

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