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Vitamin A deficiency occurs with the chronic consumption of diets that are deficient in both vitamin A and beta-carotene.
Tay-Sachs disease
Krabbe's disease is caused by a deficiency of the enzyme galactoside beta-galactosidase.
type 1 diabetestype 1 diabetesdiabetesDiabetes Mellitus Type I.
Beta Beta Beta was created in 1922.