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Blowing hot and cold over asthma hospitalisations
  1. Liuhua Shi
  1. Emory University, Atlanta, Georgia, USA
  1. Correspondence to Dr Liuhua Shi, Gangarosa Department of Environmental Health, Emory University, Atlanta, GA 30322, USA; liuhua.shi{at}

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Climate change is among the greatest public health challenges in the 21st century. While there is a general consensus on the rising of global mean temperature,1 whether this warming has caused surface temperatures more or less variable remain under debate.2 Changes of temperature variability in the warming world can vary significantly depending on region and timescale. Emerging evidence has reported increased mortality associated with elevated temperature variability within neighbouring days3 and within a season.4 A few studies have reported links of temperature variability with morbidity.5 6 Accurate estimates of public health burden associated with global warming require better understanding on the health effects of temperature variability. Writing in Thorax, Wu et al 7 provide …

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  • Contributors LS is the sole author and contributor of this editorial.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; externally peer reviewed.

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