Zinc Imbalance in Brains of Alzheimer’s

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(  abnormal zinc distribution in critical brain regions )

Alzheimer’s disease (AD) steals memory and ruins lives. Despite near-daily reports of promising new therapies, AD remains unchecked. Now a new study reveals the mechanism by which AD may cause memory loss, suggesting new therapies.

AD brains have two types of lesions: beta-amyloid plaques outside neurons, and neurofibrillary tangles within them. The known AD genes implicate plaques, but AD symptoms correlate more closely with tangles, comprised of "tau" protein, normally adhered to microtubules. Excess beta-amyloid plaques induce tangles, disrupt microtubules, and cause memory loss, even with normal synaptic function. But how?

In the March 23 issue of the journal PLoS One, scientists from Harvard, Boston University, The University of Alberta, The University of Arizona and The Chopra Foundation ascribe AD memory loss to disruption of microtubules by zinc imbalance. Continue to read: newswise.com

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

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Yohimbe bark supplements fail to meet label claims

Many supplements containing yohimbe bark extracts do not meet the label claims for active ingredient levels, says a new study from the USDA. Read more: nutraingredients-usa.com

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