研究:药物的疗效取决于患者的心态?
<p><span word="Researchers">Researchers</span> <span word="from">from</span> <span word="Oxford">Oxford</span> <span word="Cambridge">Cambridge</span> <span word="and">and</span> <span word="two">two</span> <span word="German">German</span> <span word="universities">universities</span> <span word="made">made</span> <span word="their">their</span> <span word="conclusions">conclusions</span> <span word="after">after</span> <span word="a">a</span> <span word="novel">novel</span> <span word="experiment">experiment</span> <span word="examining">examining</span> <span word="the">the</span> <span word="role">role</span> <span word="of">of</span> <span word="conscious">conscious</span> <span word="thought">thought</span> <span word="in">in</span> <span word="pain">pain</span> <span word="perception">perception</span>.</p><p>英国牛津大学、剑桥大学和德国二所大学的科研人员通过一系列实验之后得出结论，人的心态对疼痛感受起着重要作用。，</p><p><span word="First">First</span> 22 <span word="volunteers">volunteers</span> <span word="had">had</span> <span word="a">a</span> <span word="pain">pain</span> <span word="device">device</span> <span word="put">put</span> <span word="on">on</span> <span word="their">their</span> <span word="skin">skin</span> <span word="that">that</span> <span word="was">was</span> <span word="too">too</span> <span word="hot">hot</span> <span word="for">for</span> <span word="comfort">comfort</span>.</p><p>科研人员对22位志愿者进行过试验，他们首先用一种产生疼痛感觉的加热器具放在志愿者皮肤上，让它给志愿者造成烧灼感。</p><p><span word="Each">Each</span> <span word="then">then</span> <span word="had">had</span> <span word="an">an</span> <span word="intravenous">intravenous</span> <span word="line">line</span> <span word="attached">attached</span> <span word="to">to</span> <span word="deliver">deliver</span> <span word="a">a</span> <span word="powerful">powerful</span> <span word="opiate">opiate</span>-<span word="based">based</span> <span word="painkiller">painkiller</span>.</p><p>然后，用威力强大的鸦片基止痛剂通过静脉注射到志愿者身上。</p><p><span word="The">The</span> <span word="volunteers">volunteers</span> <span word="were">were</span> <span word="asked">asked</span> <span word="to">to</span> <span word="rate">rate</span> <span word="the">the</span> <span word="pain">pain</span> <span word="before">before</span> <span word="any">any</span> <span word="painkiller">painkiller</span> <span word="was">was</span> <span word="introduced">introduced</span>. <span word="The">The</span> <span word="average">average</span> <span word="score">score</span> <span word="from">from</span> 0 <span word="to">to</span> 100 <span word="was">was</span> 66.</p><p>静脉注射止痛剂前，志愿者根据0级到100等级对他们疼痛感觉给予评级，此时得到的平均值是66级。</p><p><span word="Then">Then</span> <span word="the">the</span> <span word="researchers">researchers</span> <span word="started">started</span> <span word="providing">providing</span> <span word="the">the</span> <span word="painkiller">painkiller</span> <span word="without">without</span> <span word="telling">telling</span> <span word="the">the</span> <span word="volunteers">volunteers</span> <span word="they">they</span> <span word="had">had</span> <span word="done">done</span> <span word="so">so</span>. <span word="The">The</span> <span word="average">average</span> <span word="score">score</span> <span word="dropped">dropped</span> <span word="to">to</span> 55.</p><p>然后，研究人员给志愿者静脉注射止痛剂，但不告诉他们这一事实，这次下跌到平均55级。</p><p><span word="But">But</span> <span word="when">when</span> <span word="the">the</span> <span word="scientists">scientists</span> <span word="told">told</span> <span word="them">them</span> <span word="they">they</span> <span word="had">had</span> <span word="started">started</span> <span word="administering">administering</span> <span word="the">the</span> <span word="painkiller">painkiller</span> <span word="the">the</span> <span word="score">score</span> <span word="dropped">dropped</span> <span word="again">again</span> <span word="to">to</span> 39.</p>
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