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	<title>attempt lethality &#8211; BIOENGINEER.ORG</title>
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		<title>Lower CSF 5-HIAA linked to more lethal suicidal behavior, review finds</title>
		<link>https://bioengineer.org/lower-csf-5-hiaa-linked-to-more-lethal-suicidal-behavior-review-finds/</link>
		
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		<pubDate>Tue, 20 Oct 2026 23:32:24 +0000</pubDate>
				<category><![CDATA[Health]]></category>
		<category><![CDATA[5-HIAA]]></category>
		<category><![CDATA[attempt lethality]]></category>
		<category><![CDATA[basis]]></category>
		<category><![CDATA[biomarkers]]></category>
		<category><![CDATA[cerebrospinal fluid]]></category>
		<category><![CDATA[dopamine]]></category>
		<category><![CDATA[HVA]]></category>
		<category><![CDATA[Neurobiological]]></category>
		<category><![CDATA[neurobiology]]></category>
		<category><![CDATA[serotonin]]></category>
		<category><![CDATA[suicidal behavior]]></category>
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					<description><![CDATA[A review of 23 studies found that lower CSF 5-HIAA was consistently associated with more lethal or violent suicide attempts in selected populations, but did not establish a validated predictor of future suicide.]]></description>
		
		
		
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