Genetic inheritance seems to be major factor in Chronic fatigue in some children according to a study of twins by medical researchers.
In the study fatigue was considered disabling fatigue of more than one week (short duration) and more than one month (prolonged).
Researchers in Cardiff University's School of Medicine, led by Dr Tom Fowler studied the parents of 1,468 twins and 930 older twin pairs in the study.
Genetic accounted for 67% of the influences on short-duration fatigue in children and adolescents. Prolonged fatigue was found linked to familial influences.
Dr Fowler, Department of Psychological Medicine explained that "Our research found that the majority of genetic and environmental differences are specific to disabling fatigue and distinct from depression. This suggests the fatigue states in children should be considered as valid entities in their own right, and not as variants of depression."
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