The daily mortality was not only related to intraday weather conditions, but also the other day.

日死亡率不仅与当日的天气条件有关，与前期几天的天气条件也密切相关。

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Results There was a stronger association between air pollution and respiratory daily mortality in the winter than in the summer.

结果大气污染在冬季对居民呼吸系统疾病造成的死亡影响高于夏季。

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Objective: to further study concentration-response relationship between daily mortality and particulate air pollution, to provide scientific basis for making policy.

目的：研究颗粒物空气污染与居民每日死亡率暴露-反应关系，为环境决策提供科学依据。

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They found that every additional 15 minutes of daily exercise beyond 15 minutes a day further reduced mortality by 4%.

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"Importantly, even partial adherence to statin therapy conveys a mortality benefit, suggesting that statins do not need to be taken daily to have some protective effect, " said Dr Francis.

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