- 问题详情:"Ihavesuperpowers,"agirlnamedMeganwhisperstoherdoctorinarecentTVshow.That'sherexplanationforhowshe'sabletostandpainfulcutsandbeinghitwithabase-ballbat--allwithoutfeelinganypain.Acrosstheworldaboutafewhundredpeoplesufferfromoneofmanydisord...
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