Since the discourse community itself is intangible, it is easier to imagine discourse communities in terms of the fora in which they operate. The hypothetical journal and email list can each be seen as an example of a forum, or a concrete, local manifestation of the operation of the discourse community.
Daily nausea can be caused by stress. An ulcer in the small intestine may cause chronic nausea. Excessive consumption of caffeine can cause nausea. A person may develop chronic nausea in relation to a peptic ulcer. Indigestion is one of the most common causes of nausea.
Nausea and Vomiting. Nausea can be caused by the anesthesia, the blood in your mouth and stomach from the surgery, or the prescribed pain medication. In the event of nausea and/or vomiting following surgery, stop taking anything by mouth for at least an hour including the prescribed medicine. You should then sip on coke, tea or ginger ale. You should sip slowly over a 15 minute period. When the nausea subsides, you can begin eating solid foods.