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Study Claims Alzheimer’s Disease Is a Double-Prion Disorder

Prions are abnormal and infectious forms of proteins that collect in brain tissue, causing cells to die. The sponge-like holes left in the brain are a hallmark of transmissible spongiform encephalopathies such as bovine spongiform encephalopathy (BSE, also known as mad cow disease in cows and Chronic Wasting Disease1 in deer and elk) and Creutzfeldt-Jakob disease2 (CJD), the human version of BSE.  Both BSE and CJD are the result of a prion infection; both are untreatable and always fatal.  Read more...



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