压力和焦虑是由于换气过度引起的，换气过度会增加血液中的氧含量，不幸的是同时也会引起你失去知觉的副作用。

Stress and anxiety are common causes of hyperventilation, which increases the amount of oxygen in your blood but can also have the unfortunate side effect of causing you to pass out.

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当这一通道被激活，就会增加血管中氧化一氮的含量，而氧化一氮被认为是能够抵御炎症和其他血液问题的重要成分。

When the channel is activated, it increases the production of nitric oxide in the blood vessels that is believed to protect against inflammation and other vascular problems.

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到现在为止，已经有很多研究对长途旅行，尤其是空中旅行是否会增加血凝的形成进行探讨。

There has already been lots of research looking at whether long-distance travel, particularly air travel, increases your risk of a blood clot forming.

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