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.
Acute nausea without vomiting: Introduction. Acute nausea without vomiting: Acute nausea without vomiting refers to feelings of abdominal discomfort and uneasiness accompanied by the urge to vomit. See detailed information below for a list of 7 causes of Acute nausea without vomiting, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Acute nausea without vomiting: Causes | Symptom Checker Â».