Why a lack of vitamins can cause a disruption in the life of the body?

Vitamins are organic substances necessary for the regulation of metabolism and for the normal course of the body’s vital processes. With their lack, disturbances occur in metabolic processes and in the life of the body. With their lack, serious illnesses occur, for example: night blindness (with a lack of vitamin A), scurvy (with a lack of vitamin C), rickets (with a lack of vitamin D).
They lead to disorders because these vitamins regulate metabolic processes.



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