坚持运动锻炼可以保护你的大脑
<p><span word="Older">Older</span> <span word="people">people</span> <span word="who">who</span> <span word="regularly">regularly</span> <span word="exercise">exercise</span> <span word="at">at</span> <span word="moderate">moderate</span> <span word="to">to</span> <span word="intense">intense</span> <span word="levels">levels</span> <span word="may">may</span> <span word="have">have</span> <span word="a">a</span> 40% <span word="lower">lower</span> <span word="risk">risk</span> <span word="of">of</span> <span word="developing">developing</span> <span word="brain">brain</span> <span word="damage">damage</span> <span word="linked">linked</span> <span word="to">to</span> <span word="ischemic">ischemic</span> <span word="strokes">strokes</span>, <span word="certain">certain</span> <span word="kinds">kinds</span> <span word="of">of</span> <span word="dementia">dementia</span> <span word="and">and</span> <span word="mobility">mobility</span> <span word="problems">problems</span>.</p><p>有规律地锻炼且锻炼强度适中的老人可以降低脑危害的风险，这个风险可能是缺血性脑中风、某些各种各样的脑中风和流动性问题。</p><p><span word="New">New</span> <span word="research">research</span> <span word="published">published</span> <span word="Wednesday">Wednesday</span> <span word="in">in</span> <span word="the">the</span> <span word="journal">journal</span> <span word="Neurology">Neurology</span> <span word="says">says</span> <span word="the">the</span> <span word="MRIs">MRIs</span> <span word="of">of</span> <span word="people">people</span> <span word="who">who</span> <span word="exercised">exercised</span> <span word="at">at</span> <span word="higher">higher</span> <span word="levels">levels</span> <span word="were">were</span> <span word="significantly">significantly</span> <span word="less">less</span> <span word="likely">likely</span> <span word="to">to</span> <span word="show">show</span> <span word="silent">silent</span> <span word="brain">brain</span> <span word="infarcts">infarcts</span> — <span word="caused">caused</span> <span word="by">by</span> <span word="blocked">blocked</span> <span word="arteries">arteries</span> <span word="that">that</span> <span word="interrupt">interrupt</span> <span word="blood">blood</span> <span word="flow">flow</span> <span word="and">and</span> <span word="are">are</span> <span word="markers">markers</span> <span word="for">for</span> <span word="strokes">strokes</span> — <span word="than">than</span> <span word="people">people</span> <span word="who">who</span> <span word="exercised">exercised</span> <span word="lightly">lightly</span>.</p><p>发表在周三的神经病学杂志说高水平锻炼人的核磁共振的图像说明患病的情况要明显地少于那些表现的沉寂的大脑，很少锻炼的人的大脑可能引起动脉阻塞，动脉阻塞就会打乱血流，这就是脑中风的标志。</p><p><span word="Until">Until</span> <span word="now">now</span>, <span word="studies">studies</span> <span word="have">have</span> <span word="shown">shown</span> <span word="exercise">exercise</span> <span word="helps">helps</span> <span word="lower">lower</span> <span word="blood">blood</span> <span word="pressure">pressure</span>, <span word="bad">bad</span> <span word="cholesterol">cholesterol</span> <span word="and">and</span> <span word="insulin">insulin</span> <span word="levels">levels</span>, <span word="all">all</span> <span word="risk">risk</span> <span word="factors">factors</span> <span word="for">for</span> <span word="strokes">strokes</span> <span word="causing">causing</span> <span word="brain">brain</span> <span word="damage">damage</span>. <span word="Treating">Treating</span> <span word="those">those</span> <span word="conditions">conditions</span> <span word="is">is</span> <span word="helpful">helpful</span>, <span word="but">but</span> <span word="often">often</span> <span word="brain">brain</span> <span word="damage">damage</span> <span word="from">from</span> <span word="multiple">multiple</span> <span word="infarctions">infarctions</span> <span word="is">is</span> <span word="not">not</span> <span word="reversible">reversible</span>.</p><p>直到现在，研究显示运动可以降低血压、降低胆固醇和胰岛素水平。脑中风的高危因素能引起大脑危害。处理这些因素是非常有用的。但是受到多重梗塞的经常性的脑危害是不可逆的。</p>
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