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, sometimes, vomiting usually begin before most women are 9 weeks pregnant and clear up between 12 to 14 weeks of pregnancy. It can occur at any time of the day or night and some women feel nauseated all day long.hat you can do about it. Know that nausea caused by medications is not allergic reaction. Normally, such type of nausea reduces after stopping or changing the medicine. But you can prevent nausea by taking your medicine with a meal or small amount of food.