Caffeine and exhaled nitric oxide

  title={Caffeine and exhaled nitric oxide},
  author={T. Warke and M. Shields and J. Finnegan},
  pages={281 - 281}
We read with interest the paper by Bruce et al 1 which reported a significant decrease in exhaled nitric oxide (NO) levels 1 hour after caffeine consumption. However, we do not believe that this study has fully clarified the relationship between caffeine consumption and exhaled NO levels. When ascertaining the normal ranges for offline exhaled NO measurements we observed that some individuals had raised exhaled NO levels after caffeine consumption. To further clarify this effect, exhaled NO… Expand
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  • Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology
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