Signs of<unk>  include the following: * Neuromuscular problems – such as spinocerebellar ataxia and myopathies. * Neurological problems – may include dysarthria, absence of deep tendon reflexes, loss of the ability to sense vibration and detect where body parts are in three dimensional space, and positive Babinski sign. * Hemolytic anemia – due to oxidative damage to red blood cells * Retinopathy * Impairment of the immune response
Vitamin E deficiency
Vitamin A deficiency
Familial isolated vitamin E deficiency
Zinc deficiency
Folate deficiency
Megavitamin-B6 syndrome
Biotin deficiency
Cerebral folate deficiency