Psychological Symptoms and Mental Disorders
At levels only slightly lower than normal, a range of symptoms such as fatigue, depression, and poor memory may be experienced. However, these symptoms by themselves are too nonspecific to diagnose deficiency of the vitamin.
Vitamin B12 deficiency can also cause symptoms of mania and psychosis, fatigue, memory impairment, irritability, depression and personality changes. In infants symptoms include irritability, failure to thrive, apathy, anorexia, and developmental regression.
Read more about this topic: Vitamin B12 Deficiency
Famous quotes containing the words symptoms, mental and/or disorders:
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—Friedrich Nietzsche (1844–1900)
“Scepticism is an ability, or mental attitude, which opposes appearances to judgments in any way whatsoever, with the result that, owing to the equipollence of the objects and reasons thus opposed we are brought firstly to a state of mental suspense and next to a state of “unperturbedness” or quietude.”
—Sextus Empiricus (2nd or 3rd cen., A.d.)
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—Jean Cocteau (1889–1963)