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Medicine

First Proven Diagnostic Test For Alzheimer's 66

An anonymous reader writes "A test that can confirm or rule out Alzheimer's disease at an early stage has been shown effective by US pathologists. 'With this test, we can reliably detect and track the progression of Alzheimer's disease,' said lead researcher Leslie Shaw with the University of Pennsylvania's Alzheimer's Disease Neuroimaging Initiative in Philadelphia. ... The new test is detailed in the journal Annals of Neurology. It measures the cerebral-spinal fluid concentration of two biochemicals associated with the disease — amyloid beta42 peptide and tau protein."
Biotech

Submission + - Gulf of Mexico Dead Zone Growing

Bayoudegradeable writes: What are some of the costs of increased ethanol production? The Times Picayune in New Orleans is reporting on the massive, and growing Dead Zone that forms each summer in the Gulf of Mexico. Farm runoff, fertilizers and the such are the direct cause and the increased corn production to fuel the ethanol craze is making things worse. Sounds like more bad news for an area still struggling to rebound from Katrina.

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