We cough to clear irritants and mucus from our throat. The irritant will stimulate nerves that send a message to your brain, triggering a cough. Coughs force air from our lungs at over 50 mph and can travel up to seven feet. A vigorous cough’s velocity can approach 500 mph and in some cases, such as prolonged vigorous coughing, can even break a rib! Some coughing is beneficial. When we’re congested, we need to cough in order to clear mucus from our airway. The mucus we expel during a cough is actually not the reason for our illness, but rather
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