Harvard Health Letter

No coughing matter

Cough experts say many over-the-counter cough medications probably aren't worth the money. The cough is one of our basic defense mechanisms. This reflex and that unceremonious expulsion of air, mucus, and microbes spares us all sorts of infectious and inflammatory pulmonary misadventures. But who hasn't had too much of a good thing? When the hacking becomes relentless, it can keep us up, wear us out, and lay us low. …

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