Humans can fight off viruses simply by breathing

BOSTON — How hard is it for people to fight off a virus? Scientists at Harvard University say it’s actually as easy as breathing, literally. 

Their study reveals that the act of breathing generates immune responses that kill invading pathogens. In experiments, a “lung chip” that mimics the mechanical forces of breathing killed flu bugs. The discovery could lead to developing better medications for respiratory diseases, including COVID.

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-Stormfax