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.
As mentioned above, nausea and vomiting after eating can be caused due to a wide spectrum of reasons with varying degrees of severity. Here are some of the most common reasons which can cause the feeling of nausea and vomiting after a hearty, or in some cases a non-hearty meal. 1. Indigestion.