The Devil in the Milk
July 09, 2009
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Prominent food researcher Dr. Thomas Cowan has been involved in thinking about the medicinal aspects of cow’s milk virtually his entire career.
His studies on the subject started in earnest when he read the book The Milk of Human Kindness Is Not Pasteurized, by maverick physician, William Campbell Douglass, MD.
Cowan became convinced that a large part of the disease in this country is related to the way we handle, or rather mishandle, milk and milk products.
Raw and cultured dairy products from healthy grass-fed cows are one of the healthiest foods people have ever eaten. However, pasteurized milk products have caused more disease than perhaps any other substance people are generally in contact with.
However, he still felt that a piece of the puzzle was missing. Many of his patients, in spite of eating only the proper dairy products, still had illness and still seemed not to tolerate milk. Recently, he was asked to consider writing the foreword to a book called The Devil in the Milk, written by Dr. Keith Woodford, which was again an eye-opener for him.
All proteins are long chains of amino acids. Beta casein is a chain 229 amino acids in length. Cows who produce this protein in their milk with a proline at number 67 are called A2 cows, and are the older breeds of cows (e.g. Jerseys, Asian and African cows). But some 5,000 years ago, a mutation occurred in this proline amino acid, converting it to histidine. Cows that have this mutated beta casein are called A1 cows, and include breeds like Holstein.
Proline has a strong bond to a small protein called BCM 7, which helps keep it from getting into the milk, so that essentially no BCM 7 is found in the urine, blood or GI tract of old-fashioned A2 cows. On the other hand, histidine, the mutated protein, only weakly holds on to BCM 7, so it is liberated in the GI tract of animals and humans who drink A1 cow milk.
BCM 7 has been shown to cause neurological impairment in animals and people exposed to it, especially autistic and schizophrenic changes. BCM 7 interferes with the immune response, and injecting BCM 7 in animal models has been shown to provoke type 1 diabetes. Dr. Woodford’s book presents research showing a direct correlation between a population’s exposure to A1 cow’s milk and incidence of autoimmune disease, heart disease, type 1 diabetes, autism, and schizophrenia.
Simply switching breeds of cows could result in amazing health benefits.