一周运动多长时间才健康?可能比你想的少!
<p><span word="People">People</span> <span word="who">who</span> <span word="spend">spend</span> <span word="much">much</span> <span word="of">of</span> <span word="their">their</span> <span word="day">day</span> <span word="sitting">sitting</span> <span word="may">may</span> <span word="need">need</span> <span word="to">to</span> <span word="move">move</span> <span word="around">around</span> <span word="less">less</span> <span word="than">than</span> <span word="we">we</span> <span word="thought">thought</span> <span word="to">to</span> <span word="counteract">counteract</span> <span word="their">their</span> <span word="sedentary">sedentary</span> <span word="lifestyle">lifestyle</span>, <span word="new">new</span> <span word="research">research</span> <span word="shows">shows</span>.</p><p>一项最新研究显示，每天大部分时间都坐着的人，为了抵消久坐不动的生活方式，所需要的运动时间可能比我们想象的要少。</p><p><span word="Our">Our</span> <span word="research">research</span>, <span word="published">published</span> <span word="today">today</span> <span word="in">in</span> <span word="the">the</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="the">the</span> <span word="American">American</span> <span word="College">College</span> <span word="of">of</span> <span word="Cardiology">Cardiology</span>, <span word="found">found</span> <span word="about">about</span> 20-40 <span word="minutes">minutes</span> <span word="of">of</span> <span word="physical">physical</span> <span word="activity">activity</span> <span word="a">a</span> <span word="day">day</span> <span word="seems">seems</span> <span word="to">to</span> <span word="eliminate">eliminate</span> <span word="most">most</span> <span word="health">health</span> <span word="risks">risks</span> <span word="associated">associated</span> <span word="with">with</span> <span word="sitting">sitting</span>.</p><p>我们今天发表在《美国心脏病学会杂志》上的研究发现，每天大约20-40分钟的体育锻炼似乎可以消除与久坐有关的大部分健康风险。</p><p><span word="That">That</span>'<span word="s">s</span> <span word="substantially">substantially</span> <span word="lower">lower</span> <span word="than">than</span> <span word="the">the</span> <span word="one">one</span> <span word="hour">hour</span> <span word="a">a</span> <span word="day">day</span> <span word="a">a</span> <span word="previous">previous</span> <span word="study">study</span> <span word="has">has</span> <span word="found">found</span>.</p><p>这大大低于此前一项研究发现的每天一小时。</p><p><span word="We">We</span> <span word="spend">spend</span> <span word="almost">almost</span> <span word="all">all</span> <span word="our">our</span> <span word="waking">waking</span> <span word="day">day</span> <span word="sitting">sitting</span>, <span word="standing">standing</span>, <span word="or">or</span> <span word="moving">moving</span>. <span word="The">The</span> <span word="health">health</span> <span word="impact">impact</span> <span word="of">of</span> <span word="each">each</span> <span word="one">one</span> <span word="of">of</span> <span word="these">these</span> <span word="can">can</span> <span word="be">be</span> <span word="complex">complex</span>.</p><p>我们醒着的时候，几乎整天都是坐着、站着或动着。这些因素对健康的影响是复杂的。</p><p><span word="For">For</span> <span word="example">example</span>, <span word="too">too</span> <span word="much">much</span> <span word="standing">standing</span> <span word="can">can</span> <span word="lead">lead</span> <span word="to">to</span> <span word="lower">lower</span> <span word="back">back</span> <span word="problems">problems</span> <span word="and">and</span> <span word="even">even</span> <span word="a">a</span> <span word="higher">higher</span> <span word="risk">risk</span> <span word="of">of</span> <span word="heart">heart</span> <span word="disease">disease</span>. <span word="But">But</span> <span word="sitting">sitting</span> <span word="for">for</span> <span word="too">too</span> <span word="long">long</span> <span word="and">and</span> <span word="not">not</span> <span word="moving">moving</span> <span word="enough">enough</span> <span word="can">can</span> <span word="harm">harm</span> <span word="our">our</span> <span word="health">health</span>.</p><p>例如，过多的站立会导致腰背问题，甚至会增加患心脏病的风险。但是久坐不动又会损害我们的健康。</p>
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