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  • 专家警告:独立日烟花对部分美国人构成潜在健康威胁。

  • 揭秘“1776饮食”:美国建国初期国民的真实饮食。

  • 1776年,美国人面临的主要死亡原因是什么?

  • 庆祝建国250周年:盘点美国五大里程碑式医学突破。

  • 美国国家公园如何有益健康、延长寿命?专家解读。

研究人员旨在探究瘙痒、抓挠与炎症之间的关联。该研究由匹兹堡大学皮肤病学与免疫学教授丹尼尔·H·贝克尔(Daniel H. Baker)领导。

研究发现,抓挠会激活肥大细胞。根据克利夫兰诊所的描述,肥大细胞是身体“警报系统”的一部分,负责“侦测有害入侵者”。

鉴于肥大细胞“在抵御细菌和其他病原体方面也发挥着重要作用”,匹兹堡大学在一份新闻稿中指出,研究人员进行了另一项实验,以确定“抓挠诱导的肥大细胞激活是否会影响皮肤微生物组”。

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