If you have ever had a bad infection of your chest, you’ll have noticed that you produce large quantities of phlegm. Your doctor will have encouraged you to cough up the sputum and to spit it out.
You may have thought that the stuff you produced under these circumstances was rather unpleasant and you may have found yourself reluctant to take his advice. What you probably haven’t realised is that the phlegm is a very important part of your body’s defence mechanism.
When the respiratory tract is infected, some of the cells which line it step up their production of a special…
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Source: Dr Vernon Coleman - MB ChB DSc Read the original article here: https://vernoncoleman.org/