The Hidden Risks of Dairy Consumption: Unveiling the Health Concerns
Many of us have been conditioned to believe that dairy is essential for calcium and strong bones, largely due to those iconic 'Got Milk?' ads featuring celebrities with milk mustaches. But this widespread belief is actually a dangerous misconception.
“The purpose of cow’s milk is to turn a 65-pound calf into a 700-pound cow as rapidly as possible. Cow’s milk IS baby calf growth fluid. No matter what you do to it, that is what the stuff is.”
—Dr. Michael Klaper, MD
Beyond Calcium: Reassessing Dairy's Role
So, if you’re downing dairy in hopes of building strong bones, you might be in for a surprise. Research shows that populations with high dairy consumption actually face more hip fractures and bone-related issues than those with lower dairy intake, challenging the idea that dairy is the ultimate source of calcium and bone strength.
“Nutritionally speaking, dairy foods are essentially ‘liquid meats’—but worse, because people drink milk, and eat cheese, guiltlessly—often thinking ‘milk makes my bones unbreakable, helps me lose weight, and makes my skin as soft and beautiful as a baby's tush.’"
—Dr. McDougall, MD
Sure, you’ll hear about the calcium and vitamin D benefits of dairy, but keep in mind that these claims often come from industry-backed, short-term studies that may not tell the whole story. And here’s a fun fact: cows get their calcium from plants—and so can you! As for vitamin D, it’s not even a vitamin but a hormone that’s best obtained from sunlight. Plus, natural vitamin D content in milk is very low, so it is often fortified with vitamin D during processing.
What’s Really in Your Milk? The Hidden Risks of Dairy
All the nutrients found in dairy are readily available in healthier plant-based sources, but dairy carries a long list of potential health risks—saturated fats, high calorie density, opiates, cholesterol, carnitine, the absence of fiber, cancer-promoting proteins, lactose, antibiotics, highly bioavailable phosphorus, sex and growth hormones, pesticides, pus, bacteria, and viruses. These factors collectively raise serious concerns about the overall impact of dairy on your health, particularly when consumed in large amounts.
Lactose intolerance, which can manifest as bloating, gas, and diarrhea, affects approximately 90% of people of Asian descent, 80% of American Indians, 65% of Africans and African Americans, and 50% of Hispanics. The prevalence among Caucasians varies widely.
There is sooo much wrong with dairy that if I were to dive into every point, this blog could easily turn into a book. But, to respect your precious time, let’s zero in on the health conditions linked to dairy consumption. We’ll save the impacts on dairy cows and the environment for another day. So, let’s get into it…
Health Conditions Linked to Dairy Consumption
1. Allergies and Asthma: Dairy allergies are common, and dairy consumption has been linked to exacerbating symptoms of asthma and other respiratory conditions.
2. Autoimmune Diseases: Conditions such as Type 1 Diabetes, Multiple Sclerosis, Rheumatoid Arthritis, Lupus and many other Autoimmune Diseases have been linked to dairy consumption, possibly due to the autoimmune triggering proteins and due to molecular mimicry.
3. Autism: A randomized study on a gluten- and casein-free diet revealed that high levels of circulating casomorphins from cow's milk casein may contribute to the development of autism in children.
4. Bed Wetting: There are suggestions that dairy may exacerbate or contribute to bed wetting in children.
5. Cancer Risks: Dairy has been implicated in various cancers, including lung, liver, ovarian, breast, prostate and other cancers, possibly due to its cancer-promoting protein casein, insulin-like growth factor-1 (IGF-1), hormones and hormone metabolites.
6. Cardiovascular Disease: High intake of dairy products has been associated with an increased risk of heart disease, including heart attacks and strokes.
7. Cataracts: Greater milk intake shows positive correlation with cataract formation.
8. Digestive Issues: Gastrointestinal problems like constipation, Crohn’s disease, irritable bowel syndrome (IBS), and lactose intolerance are often exacerbated by dairy consumption.
9. Ear Infections: Frequent consumption of dairy has been linked to recurrent ear infections, especially in children.
10. Infectious Risks: Dairy products can harbor various contaminants such as bacteria (Salmonella, Listeria, E. coli), viruses (avian flu virus A(H5N1)), and even prions (associated with diseases like Creutzfeldt-Jakob disease aka mad cow disease).
11. Infertility: High dairy consumption has been associated with certain types of infertility.
12. Kidney Disease: Highly bioavailable phosphorus and dairy proteins can contribute to kidney disease.
13. Mortality: High milk intake was associated with higher mortality and fractures in women and higher mortality in men.
14. Obesity: While dairy is often promoted for weight management, high-fat dairy products can contribute to obesity and metabolic disorders.
15. Osteoporosis and Bone Health: Despite its reputation for promoting bone health, studies suggest that excessive dietary protein consumption adversely affects bone due to high potential renal acid load.
16. Skin Conditions – Acne, Eczema, Psoriasis: Dairy products, particularly milk, have been associated with an increased risk of acne by pathologically increasing IGF-1-stimulation and influencing hormone levels and inflammation. Pro-inflammatory arachidonic acid contained in dairy might exacerbate eczema and other skin conditions.
17. Parkinson’s Disease: Low-fat dairy foods* have been linked to Parkinson's disease. *Low-fat equals high-protein.
18. Mental Health: Dairy consumption has been linked to conditions like depression and schizophrenia, although the mechanisms are not fully understood.
Making Informed Choices
As consumers, it's crucial to be aware of the potential risks associated with dairy consumption and to make informed choices about our diet. For those considering reducing or eliminating dairy from their diet, alternative sources of calcium and other nutrients can be found in leafy greens, legumes, fortified plant milks and tofu, nuts, and seeds.
Conclusion: The Case for Ditching Dairy
Based on the provided evidence, it is evident that dairy can have detrimental effects on human health. Everything beneficial found in dairy can also be obtained from plant-based sources, often in a form that is more suitable for human health. Plant-based alternatives typically come without the drawbacks of saturated fats, cholesterol, and a lack of fiber.
If you are considering making a single dietary change, eliminating dairy could be a significant step toward better health. Fortunately, there are numerous plant-based alternatives available, allowing you to enjoy your favorite meals in a much healthier way.
Take Charge of Your Health Today
Dairy products are often marketed as essential for health, but the evidence shows they can contribute to serious health concerns. If you're ready to explore how removing dairy—or making other key dietary changes—can transform your health, I’m here to help.
As a certified nutrition and health educator and coach, I specialize in evidence-based strategies to improve and optimize health through a whole food, plant-based lifestyle. Whether you're looking to prevent chronic illness, manage your weight, or simply feel your best, I provide personalized guidance and support every step of the way.
Let’s work together to create a healthier, happier you!
Schedule a free 15-minute consultation today, and take the first step towards lasting health.
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7. Cataracts:
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8. Digestive Issues:
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9. Ear Infections:
Brennan-Jones CG, Whitehouse AJ, Park J, et al. Prevalence and risk factors for parent-reported recurrent otitis media during early childhood in the Western Australian Pregnancy Cohort (Raine) Study. J Paediatr Child Health. 2015;51(4):403-409. doi:10.1111/jpc.12741
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10. Infectious Risks:
Keba A, Rolon ML, Tamene A, et al. Review of the prevalence of foodborne pathogens in milk and dairy products in Ethiopia. Int Dairy J. 2020;109:104762. doi:10.1016/j.idairyj.2020.104762
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https://pubmed.ncbi.nlm.nih.gov/15992306/
11. Infertility:
Chavarro JE, Rich-Edwards JW, Rosner B, Willett WC. A prospective study of dairy foods intake and anovulatory infertility. Hum Reprod. 2007;22(5):1340-1347. doi:10.1093/humrep/dem019
https://pubmed.ncbi.nlm.nih.gov/17329264/
Skoracka K, Ratajczak AE, Rychter AM, Dobrowolska A, Krela-Kaźmierczak I. Female Fertility and the Nutritional Approach: The Most Essential Aspects. Adv Nutr. 2021;12(6):2372-2386. doi:10.1093/advances/nmab068
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8634384/
12. Kidney Disease:
Debiec H, Lefeu F, Kemper MJ, et al. Early-childhood membranous nephropathy due to cationic bovine serum albumin [published correction appears in N Engl J Med. 2011 Aug 4;365(5):477] [published correction appears in N Engl J Med. 2014 Feb 27;370(9):886]. N Engl J Med. 2011;364(22):2101-2110. doi:10.1056/NEJMoa1013792
https://pubmed.ncbi.nlm.nih.gov/21631322/
Kalantar-Zadeh K, Gutekunst L, Mehrotra R, et al. Understanding sources of dietary phosphorus in the treatment of patients with chronic kidney disease. Clin J Am Soc Nephrol. 2010;5(3):519-530. doi:10.2215/CJN.06080809
https://pubmed.ncbi.nlm.nih.gov/20093346/
13. Mortality:
Michaëlsson K, Wolk A, Langenskiöld S, et al. Milk intake and risk of mortality and fractures in women and men: cohort studies. BMJ. 2014;349:g6015. Published 2014 Oct 28. doi:10.1136/bmj.g6015
https://pubmed.ncbi.nlm.nih.gov/25352269/
14. Obesity:
Chen M, Pan A, Malik VS, Hu FB. Effects of dairy intake on body weight and fat: a meta-analysis of randomized controlled trials. Am J Clin Nutr. 2012;96(4):735-747. doi:10.3945/ajcn.112.037119
https://pubmed.ncbi.nlm.nih.gov/22932282/
Berkey CS, Rockett HR, Willett WC, Colditz GA. Milk, dairy fat, dietary calcium, and weight gain: a longitudinal study of adolescents. Arch Pediatr Adolesc Med. 2005 Jun;159(6):543-50. doi: 10.1001/archpedi.159.6.543. PMID: 15939853.
https://pubmed.ncbi.nlm.nih.gov/15939853/
15. Osteoporosis and Bone Health:
Hegsted DM. Calcium and osteoporosis. J Nutr. 1986;116(11):2316-2319. doi:10.1093/jn/116.11.2316 https://sci-hub.st/10.1093/jn/116.11.2316
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https://pubmed.ncbi.nlm.nih.gov/9614169/
16. Skin Conditions – Acne, Eczema, Psoriasis:
Adebamowo CA, Spiegelman D, Berkey CS, et al. Milk consumption and acne in adolescent girls. Dermatol Online J. 2006;12(4):1. Published 2006 May 30.
https://pubmed.ncbi.nlm.nih.gov/17083856/
Dall'Oglio F, Nasca MR, Fiorentini F, Micali G. Diet and acne: review of the evidence from 2009 to 2020. Int J Dermatol. 2021;60(6):672-685. doi:10.1111/ijd.15390
https://pubmed.ncbi.nlm.nih.gov/33462816/
Melnik B. Milk consumption: aggravating factor of acne and promoter of chronic diseases of Western societies. J Dtsch Dermatol Ges. 2009;7(4):364-370. doi:10.1111/j.1610-0387.2009.07019.x
https://pubmed.ncbi.nlm.nih.gov/19243483/
Afifi L, Danesh MJ, Lee KM, et al. Dietary Behaviors in Psoriasis: Patient-Reported Outcomes from a U.S. National Survey. Dermatol Ther (Heidelb). 2017;7(2):227-242. doi:10.1007/s13555-017-0183-4
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5453925/
Nosrati A, Afifi L, Danesh MJ, et al. Dietary modifications in atopic dermatitis: patient-reported outcomes. J Dermatolog Treat. 2017;28(6):523-538. doi:10.1080/09546634.2016.1278071
https://pubmed.ncbi.nlm.nih.gov/28043181/
17. Parkinson’s Disease:
Jiang W, Ju C, Jiang H, Zhang D. Dairy foods intake and risk of Parkinson's disease: a dose-response meta-analysis of prospective cohort studies. Eur J Epidemiol. 2014;29(9):613-619. doi:10.1007/s10654-014-9921-4
https://pubmed.ncbi.nlm.nih.gov/24894826/
Hughes KC, Gao X, Kim IY, et al. Intake of dairy foods and risk of Parkinson disease. Neurology. 2017;89(1):46-52. doi:10.1212/WNL.0000000000004057 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5496517/
18. Mental Health:
Severance EG, Yolken RH, Eaton WW. Autoimmune diseases, gastrointestinal disorders and the microbiome in schizophrenia: more than a gut feeling. Schizophr Res. 2016;176(1):23-35. doi:10.1016/j.schres.2014.06.027
https://pubmed.ncbi.nlm.nih.gov/25034760/
Niebuhr DW, Li Y, Cowan DN, et al. Association between bovine casein antibody and new onset schizophrenia among US military personnel. Schizophr Res. 2011;128(1-3):51-55. doi:10.1016/j.schres.2011.02.005
https://pubmed.ncbi.nlm.nih.gov/21376538/
Peet M. International variations in the outcome of schizophrenia and the prevalence of depression in relation to national dietary practices: an ecological analysis. Br J Psychiatry. 2004;184:404-408. doi:10.1192/bjp.184.5.404
Disclaimer: Iam a Certified Plant-based Health Educator, not a medical doctor. My goal is to present you with available evidence that will make your decision easier. The information I share is for educational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. You are advised to do your own research and make informed decisions in partnership with your physician(s). If you are on medication and are switching to a whole-food, plant-based diet, it is important that you work with your doctor to monitor your condition and medication dosage during your change of dietary practices.
I encourage you to critically evaluate any claims and make informed decisions that support your long-term health and well-being.