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Smell and eye tests show potential to detect Alzheimer's early
Date:7/13/2014

of the Alzheimer's Association and the Alzheimer's community, the United States created its first National Plan to Address Alzheimer's Disease in 2012. The plan includes the critical goal, which was adopted by the G8 at the Dementia Summit in 2013, of preventing and effectively treating Alzheimer's by 2025. It is only through strong implementation and adequate funding of the plan, including an additional $200 million in fiscal year 2015 for Alzheimer's research, that we'll meet that goal. For more information and to get involved, visit http://www.alz.org.

Clinically, at this time it is only possible to detect Alzheimer's late in its development, when significant brain damage has already occurred. Biological markers of Alzheimer's disease may be able to detect it at an earlier stage. For example, using brain PET imaging in conjunction with a specialized chemical that binds to beta-amyloid protein, the buildup of the protein as plaques in the brain can be revealed years before symptoms appear. These scans can be expensive and are not available everywhere. Amyloid can also be detected in cerebrospinal fluid through a lumbar puncture where a needle is inserted between two bones (vertebrae) in your lower back to remove a sample of the fluid that surrounds your brain and spinal cord.

Greater Neurodegeneration Associated with Worse Olfactory Function in Cognitively Normal Elderly

There is growing evidence that the decreased ability to correctly identify odors is a predictor of cognitive impairment and an early clinical feature of Alzheimer's. As the disease begins to kill brain cells, this often includes cells that are important to the sense of smell.

Matthew E. Growdon, B.A., M.D./M.P.H. candidate at Harvard Medical School and Harvard School of Public Health, and colleagues investigated the associations between sense of smell, memory performance, biomarkers of loss of brain cell
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Contact: Alzheimer's Association Media Line
media@alz.org
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Alzheimer's Association
Source:Eurekalert

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