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The COVID-19 pandemic gives new relevance to a synthetic substance developed by Stanford researchers that could help respiratory patients breathe easier.

The COVID-19 pandemic gives new relevance to a synthetic substance developed by Stanford researchers that could help respiratory patients breathe easier.

Exposure to 'third-hand smoke' — that is, the chemicals left behind on household surfaces after smoke has dissipated — increases the severity of asthma symptoms in mice. Stanford researchers are working to learn how this happens, and whether it might be possible to protect people with asthma from this exposure.

Exposure to 'third-hand smoke' — that is, the chemicals left behind on household surfaces after smoke has dissipated — increases the severity of asthma symptoms in mice. Stanford researchers are working to learn how this happens, and whether it might be possible to protect people with asthma from this exposure.