The function of taste buds is decreased, the taste function is decreased, appetite is lost, and eating is reduced; Due to the decrease of zinc-containing digestive enzymes, the digestive ability is also weakened; Symptoms of anorexia: picky eaters, refusing to eat, generally reducing food intake, children have no hunger, do not take the initiative to eat.
Backward growth and development
Zinc is one of the essential trace elements in human metabolism. Once lacking, it will affect cell metabolism and hinder the function of growth hormone axis. Thereby affecting the growth and development, making the child short, 3-6 cm lower in height and 2-3 kg lighter in weight than the same age group.
Immune hypofunction
Zinc can promote the mitosis and cell transformation of lymphocytes and maintain the immune function of T cells. Zinc deficiency in children will damage the immune function of cells, leading to low immunity, frequent colds and fever, and repeated respiratory infections, such as tonsillitis, bronchitis, pneumonia, sweating and night sweats.
Abnormal function of skin and nervous system
Zinc deficiency in children can also lead to abnormal skin and nervous system function. The manifestations are: yellow hair, thinning or shedding, rough skin, sallow and emaciated; There are white spots on nails and long barbs on fingers; When trauma occurs, the wound is not easy to heal; Susceptible to dermatitis and intractable eczema; Recurrent oral ulcers, etc.