我国知名研究白癜风的专家 https://baike.baidu.com/item/刘云涛/21900249中英视频
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0:06Aleathermaskthatclampsthemouthshut.0:09Acannonballsewnintoasoldier’suniform.0:12Andamachinethatdeliverssuddenelectricalpulses.0:16Theseolditemswereallintendedtreatments0:19foraproblemthathashauntedhumanityformillennia:0:23snoring.0:24Itmightseemharmless,butsnoringcanbeasignofsomethingmoredangerous.0:29So,whatexactlycausessnoring?Andwhendoesitbe
