What makes a cough dry? What goes on in your body when you cough? Why does a drink of water help with a cough? Can people in a coma cough? Can you really fracture a rib just by coughing?

... We explain like i'm five!

Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: a6zj6, hblovesmicro, medic_228, simmep, whiteman90909, evo180x, gnonthgol, hintoflime and cymbal_king.

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