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	<title>Itabashi Longitudinal Study &#8211; BIOENGINEER.ORG</title>
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		<title>Blood NAD+ Levels Track With Frailty in Older Adults, Japanese Study Finds</title>
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		<pubDate>Sun, 04 Oct 2026 18:08:34 +0000</pubDate>
				<category><![CDATA[Health]]></category>
		<category><![CDATA[Aging]]></category>
		<category><![CDATA[biomarkers]]></category>
		<category><![CDATA[Energy metabolism]]></category>
		<category><![CDATA[Frailty]]></category>
		<category><![CDATA[geriatrics]]></category>
		<category><![CDATA[GeroScience]]></category>
		<category><![CDATA[hematocrit]]></category>
		<category><![CDATA[Itabashi Longitudinal Study]]></category>
		<category><![CDATA[NAD+]]></category>
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		<category><![CDATA[sirtuins]]></category>
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					<description><![CDATA[A cross-sectional study of 529 community-dwelling older adults in Tokyo found that lower whole-blood NAD+ concentrations were associated with higher odds of frailty, though the link weakened after adjustment for hematocrit.]]></description>
		
		
		
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