ナショナルジオグラフィックのインスタグラム(natgeo) - 10月15日 08時00分

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Millions of people now live with the debilitating disorder, which can be triggered by viral illnesses. And although exercise is considered to be a first-line treatment for POTS, many say it has backfired.

Photograph by Magali Druscovich, Reuters/Redux

[BIHAKUEN]UVシールド(UVShield)

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