4) Discomforts you feel while practicing
If you do practice controlling the time at first as I mentioned above, you will never feel discomfortable, but if do hard and long practice from the beginning ignoring the time, the swallowing movement repeated too often will cause you various discomforts. For instance, the muscles of your throat may overwork themselves, the mucous membrane of your throat may become inflamed and hurt you, you may have a fit of palpitation of the heart and feel choky, or you may have a temporary swelling sensation in your stomach and feel uncomfortable.
Some good speaker says that when he talked with his breast strained, he felt tired and dizzy and had a headache, but that when he applied a strain to the stomach he felt much better.
And some laryngectomees speak with a "wheezing" sound emitted out of the stoma at every word.