Coughing is an unexpected expulsion of air from the lungs via the epiglottis, the little trapdoor that covers the passageway to the windpipe.
Though a cough is often painless, it can distract or irritate others. And not just only that, the effort of coughing can also leave you feeling fatigued and achy.
If you occasionally cough, it is very typical and nothing to worry about, but a cough that…