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The causes are not yet known, and up to now there is no effective treatment. Patients with Alzheimer's disease deteriorate very gradually, so the disease is often not detected in its early stages. As the disease develops, two key structural changes are often observed in the brain:- The build-up of plaque, consisting mostly of beta-amyloid peptides
- The development of neurofibrillary tangles, generated by phosphorylated tau-proteins.
Some people are consuming a modest level of alcohol each day as a preventative measure against heart disease and this study appears to confirm that benefit. Vaccinations have shown protective and reversal effects. There is no protective effect of smoking for men, but for women who are not carriers of the gene APOE 4, there appeared to be a protective effect, claim researchers. |
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