20 Things To Know About Alzheimer's Disease

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Alzheimer's facts

( β-amyloid (Aβ) as the most important molecul )

The most influential theory to explain the pathogenesis of Alzheimer's disease (AD) has been the “Amyloid Cascade Hypothesis” (ACH) first formulated in 1992. The ACH proposes that the deposition ofβ-amyloid (Aβ) is the initial pathological event in AD leading to the formation of senile plaques (SPs) and then to neurofibrillary tangles (NFTs) death of neurons, and ultimately dementia. This paper examines two questions regarding the ACH: (1) is there a relationship between the pathogenesis of SPs and NFTs, and (2) what is the relationship of these lesions to disease pathogenesis? These questions are examined in relation to studies of the morphology and molecular determinants of SPs and NFTs, the effects of gene mutation, degeneration induced by head injury, the effects of experimentally induced brain lesions, transgenic studies, and the degeneration of anatomical pathways. It was concluded that SPs and NFTs develop independently and may be the products rather than the causes of neurodegeneration in AD. A modification to the ACH is proposed which may better explain the pathogenesis of AD, especially of late-onset cases of the disease. Continue to read: hindawi.com

Read more here: http://www.bnd.com/2012/02/07/2047945/obama-to-seek-more-alzheimers.html#storylink=cpy

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Vitamin D help you live longer

Vitamin D supplements may reduce the risk of cardiovascular disease and diabetes and boost survival for older people, suggests a new analysis. Read more: nutraingredients.com

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