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<div about="/news-events/news-releases/new-forecast-shows-6-million-alzheimers-disease-cognitive-impairment" typeof="sioc:Item foaf:Document" class="ds-1col node node--nih-news-release media-advisory featured-media-floated view-mode-full node--full node--nih-news-release--full clearfix">
<p class="publishdate"><span class="tag-term">Media Advisory</span></p><p class="publishdate"><span property="dc:date" datatype="xsd:dateTime" content="2017-12-07T12:00:00-05:00" class="date-display-single">Thursday, December 7, 2017</span></p><h1>New forecast shows 6 million with Alzheimers disease, cognitive impairment </h1><p class="subtitle">
The numbers will more than double to 15 million by 2060.</p><div class="featured-media"><div class="ds-1col file file-image file-image-jpeg view-mode-featured_media clearfix">
<picture title="Beta-Amyloid Plaques and Tau in the Brain">
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<source srcset="https://www.nih.gov/sites/default/files/styles/featured_media_breakpoint-large/public/news-events/news-releases/2017/20171207-alzheimers.jpg?itok=mPg95LPo&amp;timestamp=1512657977 1x" media="screen and (min-width: 960px)" />
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<img src="https://www.nih.gov/sites/default/files/styles/featured_media_breakpoint-medium/public/news-events/news-releases/2017/20171207-alzheimers.jpg?itok=ABfNdznb&amp;timestamp=1512657977" alt="Beta-Amyloid Plaques and Tau in the Brain" title="Beta-Amyloid Plaques and Tau in the Brain" />
</picture><span class="caption">In the Alzheimers affected brain, abnormal levels of the beta-amyloid protein clump together to form plaques (seen in brown) that collect between neurons and disrupt cell function. Abnormal collections of the tau protein accumulate and form tangles (seen in blue) within neurons, harming synaptic communication between nerve cells.</span><span class="credit">NIA</span></div>
</div><h3>What</h3>
<p>Using new methodology, scientists calculate that approximately 6 million American adults have Alzheimers disease or mild cognitive impairment, which can sometimes be a precursor to the disease. The estimate, funded by the National Institutes of Health, also forecasts that these numbers will more than double to 15 million by 2060, as the population ages.</p>
<p>The estimates are scheduled to be published online Dec. 7, 2017, in the journal Alzheimers &amp; Dementia: The Journal of the Alzheimers Association.</p>
<p>This new forecast differs from earlier estimates. For the first time, scientists have attempted to account for numbers of people with biomarkers or other evidence of possible preclinical Alzheimers disease, but who do not have impairment or Alzheimers dementia. People with such signs of preclinical disease are at increased risk to develop Alzheimers dementia. The researchers say they factored those rates of transition in their multi-state model; further, the model can estimate the impact of some possible prevention efforts on the number of future cases.</p>
<h3>Who</h3>
<p>Dr. Dallas Anderson, Program Director, Population Studies, Dementias of Aging Branch, Division of Neuroscience, NIA; Dr. Eliezer Masliah, Director of the Division of Neuroscience, NIA, are available to discuss the findings.</p>
<h3>Contact</h3>
<p>To schedule an interview with Dr. Anderson or Dr. Masliah, contact Joe Balintfy at the NIA Office of Communications and Public Liaison, (301) 496-1752, <a href="mailto:nianews3@mail.nih.gov">nianews3@mail.nih.gov</a>.</p>
<h3>Article</h3>
<p>Brookmeyera R, Abdallaa N, Kawasb C, Corrada M, Forecasting the prevalence of preclinical and clinical Alzheimers disease in the United States. <em>Alzheimers &amp; Dementia</em>. (2017)</p>
<p><strong>Grant</strong>: R21AG055361</p>
<p><strong>About the</strong> <strong>National Institute on Aging:</strong> The NIA leads the federal government effort conducting and supporting research on aging and the health and well-being of older people. The NIA provides information on age-related cognitive change and neurodegenerative disease specifically at <a href="https://www.nia.nih.gov/Alzheimers">www.nia.nih.gov/Alzheimers</a>. For more on health and on aging generally, go to <a href="https://www.nia.nih.gov">www.nia.nih.gov</a>. To sign up for e-mail alerts about new findings or publications, please visit either website.</p><p><strong>About the National Institutes of Health (NIH):</strong>
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