The results will help us understand what environmental measures must be taken to minimize harm to our heart health - and how we can protect those most at risk from pollution.

研究结果将帮助我们了解必须采取怎样的环保措施以最大限度减少污染对我们心脏健康的伤害-以及我们如何才能保护那些最危险的人。

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Maggie Johnson, a clinical psychology postdoctoral fellow, says we experience anxiety when our body's autonomic stress system kicks in to protect us from threat or harm.

临床心理学博士后研究员玛吉·约翰逊指出，当人体的自主压力系统开始启动以保护我们免受伤害或威胁时，我们就会感到焦虑。

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Fear is a potent emotion that serves to protect us from pain and harm.

FORBES: Fear: Is It Stifling Your Experience Of Being Alive?

It's a national security issue to protect our borders from those who wish to do us harm.

NPR: Immigration Debate Divides Laredo

The Budget invests substantial resources to protect the United States from those who would do us harm.

WHITEHOUSE: Testimony of OMB Director Nussle