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.
Vomiting often follows nausea and is brought on by basically the same types of circumstances. Generally, if you can control nausea, you can prevent vomiting. Consider the following suggestions for preventing or controlling vomiting. 1  Do not try to eat anything until you feel the vomiting has ceased. 2  When you do feel capable of eating, begin with clear liquids, such as water or bouillon.