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Lower yer Carb, Peeps: Alzheimers as Type 3 Diabetes #LCHF2015

The Study:

The Conclusion:

  “Altogether, the results from these studies provide strong evidence in support of the hypothesis that AD represents a form of diabetes mellitus that selectively afflicts the brain. Positive data stemmed from (1) direct analysis of postmortem human brains with documented AD; (2) an experimental animal model in which brain diabetes with cognitive impairment and molecular and pathological features that mimic AD was produced by intracerebral administration of a drug that is commonly used to produce T1DM or T2DM; and (3) a study showing that PPAR agonists, which are used to treat T2DM, prevent many of the AD-associated neurodegenerative effects of ic-STZ. The data are supported by abundant in vitro experiments that demonstrated essentially the same or similar effects of STZ or oxidative stress treatments of neuronal cells. The human and experimental animal model studies also showed that CNS impairments in insulin/IGF signaling mechanisms can occur in the absence of T1DM or T2DM. Finally, we demonstrated that although obesity with T2DM causes brain insulin resistance with some features of AD-type neurodegeneration, the effects are relatively modest, not associated with significant histopathological lesions, and lack most of the critical abnormalities that typify AD. Therefore, T2DM was deemed not sufficient to cause AD, although it could possibly serve as a cofactor in its pathogenesis or progression. Altogether, the data provide strong evidence that AD is intrinsically a neuroendocrine disease caused by selective impairments in insulin and IGF signaling mechanisms, including deficiencies in local insulin and IGF production

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