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近期呼吸道疾病高发,支原体感染、甲型流感、乙型流感等仍然影响着大家的健康,再加上气温变化和节日带来的人群聚集,不少痊愈没多久的朋友 ...
从坐或蹲姿变成站姿后,会头昏眼花、眼前一片黑,重心不稳还可能跌倒,这可能是「姿势性低血压」,研究发现,确实有方法可以预防,或加速 ...
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