i think you should have a word with your GP, who could prescribe a med. for the sticky mucus. Just possible that you might have an infection. As for the smoking, DONT. There is so much help out there to quit smoking. I have heard of practice nurses who could advise you.
Foul tasting post nasal drip I would think infection....also thickening of saliva and other mucous areas is also related to infection. I’d call my doctor...
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