空气污染让人郁闷还让人笨?
<p><span word="This">This</span> <span word="month">month</span>, <span word="the">the</span> <span word="Indian">Indian</span> <span word="Medical">Medical</span> <span word="Association">Association</span> <span word="declared">declared</span> <span word="a">a</span> <span word="public">public</span> <span word="health">health</span> <span word="emergency">emergency</span> <span word="in">in</span> <span word="New">New</span> <span word="Delhi">Delhi</span> <span word="because">because</span> <span word="of">of</span> <span word="high">high</span> <span word="levels">levels</span> <span word="of">of</span> <span word="air">air</span> <span word="pollution">pollution</span>. <span word="Schools">Schools</span> <span word="were">were</span> <span word="shut">shut</span> <span word="and">and</span> <span word="emergency">emergency</span> <span word="traffic">traffic</span> <span word="restrictions">restrictions</span> <span word="put">put</span> <span word="in">in</span> <span word="place">place</span>.</p><p>11月，印度医学协会(<span word="Indian">Indian</span> <span word="Medical">Medical</span> <span word="Association">Association</span>)宣布由于空气污染严重，新德里进入公共健康紧急状态。学校停课，紧急交通限制措施出炉。</p><p><span word="Air">Air</span> <span word="pollution">pollution</span> <span word="in">in</span> <span word="New">New</span> <span word="Delhi">Delhi</span> <span word="is">is</span> <span word="nearly">nearly</span> 30 <span word="times">times</span> <span word="the">the</span> <span word="level">level</span> <span word="considered">considered</span> <span word="safe">safe</span> <span word="by">by</span> <span word="the">the</span> <span word="World">World</span> <span word="Health">Health</span> <span word="Organization">Organization</span>, <span word="causing">causing</span> <span word="more">more</span> <span word="damage">damage</span> <span word="to">to</span> <span word="the">the</span> <span word="lungs">lungs</span> <span word="than">than</span> <span word="smoking">smoking</span> <span word="two">two</span> <span word="packs">packs</span> <span word="of">of</span> <span word="cigarettes">cigarettes</span> <span word="a">a</span> <span word="day">day</span>.</p><p>新德里的空气污染程度超出世界卫生组织(<span word="WHO">WHO</span>)安全上限近30倍，其对肺的损害超过每日吸两包香烟。</p><p><span word="New">New</span> <span word="Delhi">Delhi</span> <span word="is">is</span> <span word="far">far</span> <span word="from">from</span> <span word="alone">alone</span>. <span word="Our">Our</span> <span word="research">research</span> <span word="into">into</span> <span word="the">the</span> <span word="impact">impact</span> <span word="of">of</span> <span word="air">air</span> <span word="pollution">pollution</span> <span word="in">in</span> <span word="China">China</span> <span word="shows">shows</span> <span word="that">that</span>, <span word="in">in</span> <span word="addition">addition</span> <span word="to">to</span> <span word="the">the</span> <span word="more">more</span> <span word="obvious">obvious</span> <span word="physical">physical</span> <span word="toll">toll</span>, <span word="air">air</span> <span word="pollution">pollution</span> <span word="can">can</span> <span word="also">also</span> <span word="have">have</span> <span word="serious">serious</span> <span word="negative">negative</span> <span word="effects">effects</span> <span word="on">on</span> <span word="mental">mental</span> <span word="health">health</span> <span word="and">and</span> <span word="cognition">cognition</span>, <span word="significantly">significantly</span> <span word="reducing">reducing</span> <span word="a">a</span> <span word="person">person</span>’<span word="s">s</span> <span word="happiness">happiness</span> <span word="and">and</span> <span word="their">their</span> <span word="scores">scores</span> <span word="in">in</span> <span word="verbal">verbal</span> <span word="and">and</span> <span word="mathematical">mathematical</span> <span word="tests">tests</span>.</p><p>新德里远非唯一一个。针对中国空气污染影响的一项研究显示，除了更明显的身体伤害，空气污染还可能给心理健康和认知能力带来严重负面影响，从而显著降低人们的幸福感以及他们在语文和数学测试中的得分。</p>
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