Vitamin D deficiency in children

Vitamin D deficiency rickets are common nutritional deficiencies in children. Due to the lack of vitamin D, a series of changes in calcium and phosphorus metabolism and bone changes are caused. Severe cases cause skeletal deformities, affect the normal growth and development of children, and reduce the body's resistance, immune globulin, and are prone to various infections, and make their condition worse, prolong the course of disease, and should be actively controlled.