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Line 1: − '''Fatigue''' is extremely hard to define, since everybody has their own idea of what being tired means. Everybody is tired once in a while and the most common reason is, of course, lack of [[sleep]]. Fatigue can also be caused by a wide range of illnesses and [[disease]]s. In such cases, a person usually finds they suddenly need more rest and sleep. This may affect their performance at work. Fatigue is also common when you are feeling down. − − ==Sleep Requirements== − The need for sleep can vary quite a lot between individuals, although it is usual to require less sleep as you get older. − * Children − :Small children often need a lot of sleep. Toddlers, for example, may need between 18 and 20 hours a day. The need for sleep slowly declines through childhood. Most grade school children will need at least 10 to 12 hours of sleep to be at their best during the [[day]]. It does not help children if they are allowed to stay up late and are then hauled out of bed the next morning. − *Adults − :Most adults need seven to nine hours of sleep, but this can differ from one person to another different person. A good night's sleep seems to help concentration and improve the [[immune system]], minimizing the risk of illness. − − ==Causes of Fatigue== − There are a number of conditions that cause fatigue. − * [[Anemia]] - a lack of [[iron]] is most often seen in [[women]] who have prolonged or heavy [[period]]s. [[Blood]] is lost every month, which means more iron is needed in the diet. − * [[Pregnancy]] − * General bleeding from the [[stomach]] or [[intestine]]s, as caused by [[ulcer]]s, [[hemorrhoid]]s [[polyp]]s, violence, or [[piles]] − * A lack of folic acid or [[vitamin]] B12. − * Small intestinal [[disease]]s or syndromes, such as Crohn's disease. − * Infections − * Glandular fever − * [[Lyme disease]] − * [[AIDS]] − * Lack of [[sleep]] − * [[Depression]] −
removed plagiarised content, see talk
[[category:health]]
[[category:health]]