验血可预测自杀风险 准确率高达90%
<p><span word="A">A</span> <span word="blood">blood</span> <span word="test">test</span> <span word="that">that</span> <span word="can">can</span> <span word="predict">predict</span> <span word="whether">whether</span> <span word="someone">someone</span> <span word="may">may</span> <span word="attempt">attempt</span> <span word="suicide">suicide</span> <span word="has">has</span> <span word="been">been</span> <span word="developed">developed</span> <span word="by">by</span> <span word="scientists">scientists</span> <span word="in">in</span> <span word="a">a</span> <span word="breakthrough">breakthrough</span> <span word="which">which</span> <span word="could">could</span> <span word="prevent">prevent</span> <span word="hundreds">hundreds</span> <span word="of">of</span> <span word="deaths">deaths</span>.</p><p><span word="American">American</span> <span word="researchers">researchers</span> <span word="have">have</span> <span word="found">found</span> <span word="that">that</span> <span word="variations">variations</span> <span word="in">in</span> <span word="a">a</span> <span word="single">single</span> <span word="gene">gene</span> <span word="can">can</span> <span word="be">be</span> <span word="used">used</span> <span word="to">to</span> <span word="predict">predict</span> <span word="if">if</span> <span word="someone">someone</span> <span word="is">is</span> <span word="likely">likely</span> <span word="to">to</span> <span word="take">take</span> <span word="their">their</span> <span word="own">own</span> <span word="life">life</span>.</p><p><span word="Researchers">Researchers</span> <span word="at">at</span> <span word="John">John</span> <span word="Hopkins">Hopkins</span> <span word="University">University</span>, <span word="in">in</span> <span word="Baltimore">Baltimore</span>, <span word="Maryland">Maryland</span>, <span word="found">found</span> <span word="that">that</span> <span word="the">the</span> <span word="gene">gene</span> <span word="SKA">SKA</span>2 <span word="stopped">stopped</span> <span word="functioning">functioning</span> <span word="correctly">correctly</span> <span word="in">in</span> <span word="people">people</span> <span word="at">at</span> <span word="risk">risk</span> <span word="of">of</span> <span word="suicide">suicide</span>. <span word="The">The</span> <span word="SKA">SKA</span>2 <span word="gene">gene</span> <span word="is">is</span> <span word="found">found</span> <span word="in">in</span> <span word="the">the</span> <span word="prefrontal">prefrontal</span> <span word="cortex">cortex</span> <span word="of">of</span> <span word="the">the</span> <span word="brain">brain</span>, <span word="and">and</span> <span word="is">is</span> <span word="involved">involved</span> <span word="in">in</span> <span word="preventing">preventing</span> <span word="negative">negative</span> <span word="thoughts">thoughts</span> <span word="and">and</span> <span word="controlling">controlling</span> <span word="impulsive">impulsive</span> <span word="behaviour">behaviour</span>.</p><p><span word="If">If</span> <span word="there">there</span> <span word="isn">isn</span>'<span word="t">t</span> <span word="enough">enough</span> <span word="SKA">SKA</span>2, <span word="or">or</span> <span word="it">it</span> <span word="is">is</span> <span word="altered">altered</span> <span word="in">in</span> <span word="some">some</span> <span word="way">way</span>, <span word="the">the</span> <span word="body">body</span> <span word="cannot">cannot</span> <span word="control">control</span> <span word="levels">levels</span> <span word="of">of</span> <span word="cortisol">cortisol</span>. <span word="Previous">Previous</span> <span word="research">research</span> <span word="has">has</span> <span word="shown">shown</span> <span word="that">that</span> <span word="people">people</span> <span word="who">who</span> <span word="attempt">attempt</span> <span word="suicide">suicide</span> <span word="or">or</span> <span word="who">who</span> <span word="take">take</span> <span word="their">their</span> <span word="own">own</span> <span word="lives">lives</span> <span word="have">have</span> <span word="large">large</span> <span word="amounts">amounts</span> <span word="of">of</span> <span word="cortisol">cortisol</span> <span word="in">in</span> <span word="their">their</span> <span word="systems">systems</span>.</p><p><span word="A">A</span> <span word="test">test</span> <span word="could">could</span> <span word="allow">allow</span> <span word="doctors">doctors</span> <span word="or">or</span> <span word="psychologists">psychologists</span> <span word="to">to</span> <span word="place">place</span> <span word="patients">patients</span> <span word="on">on</span> ‘<span word="suicide">suicide</span> <span word="watch">watch</span>’ <span word="and">and</span> <span word="restrict">restrict</span> <span word="their">their</span> <span word="access">access</span> <span word="to">to</span> <span word="drugs">drugs</span> <span word="or">or</span> <span word="equipment">equipment</span> <span word="which">which</span> <span word="they">they</span> <span word="could">could</span> <span word="use">use</span> <span word="to">to</span> <span word="end">end</span> <span word="their">their</span> <span word="own">own</span> <span word="life">life</span>.</p><p><span word="The">The</span> <span word="research">research</span> <span word="was">was</span> <span word="reported">reported</span> <span word="in">in</span> <span word="the">the</span> <span word="American">American</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="Psychology">Psychology</span>. "<span word="We">We</span> <span word="need">need</span> <span word="to">to</span> <span word="study">study</span> <span word="this">this</span> <span word="in">in</span> <span word="a">a</span> <span word="larger">larger</span> <span word="sample">sample</span> <span word="but">but</span> <span word="we">we</span> <span word="believe">believe</span> <span word="that">that</span> <span word="we">we</span> <span word="might">might</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="monitor">monitor</span> <span word="the">the</span> <span word="blood">blood</span> <span word="to">to</span> <span word="identify">identify</span> <span word="those">those</span> <span word="at">at</span> <span word="risk">risk</span> <span word="of">of</span> <span word="suicide">suicide</span>," <span word="Kaminsky">Kaminsky</span> <span word="said">said</span>.</p><p>"<span word="Suicide">Suicide</span> <span word="is">is</span> <span word="a">a</span> <span word="major">major</span> <span word="preventable">preventable</span> <span word="public">public</span> <span word="health">health</span> <span word="problem">problem</span>, <span word="but">but</span> <span word="we">we</span> <span word="have">have</span> <span word="been">been</span> <span word="stymied">stymied</span> <span word="in">in</span> <span word="our">our</span> <span word="prevention">prevention</span> <span word="efforts">efforts</span> <span word="because">because</span> <span word="we">we</span> <span word="have">have</span> <span word="no">no</span> <span word="consistent">consistent</span> <span word="way">way</span> <span word="to">to</span> <span word="predict">predict</span> <span word="those">those</span> <span word="who">who</span> <span word="are">are</span> <span word="at">at</span> <span word="increased">increased</span> <span word="risk">risk</span> <span word="of">of</span> <span word="killing">killing</span> <span word="themselves">themselves</span>," <span word="says">says</span> <span word="study">study</span> <span word="leader">leader</span> <span word="Dr">Dr</span> <span word="Zachary">Zachary</span> <span word="Kaminsky">Kaminsky</span>, <span word="an">an</span> <span word="assistant">assistant</span> <span word="professor">professor</span> <span word="of">of</span> <span word="psychiatry">psychiatry</span> <span word="and">and</span> <span word="behavioural">behavioural</span> <span word="sciences">sciences</span>.</p>
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