In spring, the weather is changeable from cold to heat. Some children with poor resistance always have respiratory tract infections again and again, even heavier and heavier one after another, and finally develop pneumonia. Where is the root cause of children’s recurrent respiratory tract infection? This will start from the internal and external causes.

1、 Children’s self underdevelopment

The lungs of infants are delicate and underdeveloped, with poor adaptability to changes in the external environment, short respiratory tract, insufficient mucosal secretion and poor ciliary movement. If it is accompanied by insufficient antibodies from the mother (premature birth and other risk factors), their respiratory tract is more likely to be affected by the external environment and develop various diseases.

And the respiratory tract immunity of infants has not been established. The human body has humoral immune function (various antibodies) and cellular immune function to resist respiratory tract infection. Children with low humoral immunity or low cellular immunity are prone to recurrent respiratory tract infections.

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Page 1: Children’s lack of self-development page 2: lack of nutrition seriously affects the baby’s physique

Page 3: young children are prone to allergic reactions

Page 1: Children’s own underdevelopment

Page 2: lack of nutrition seriously affects the baby’s physique

Page 3: young children are prone to allergic reactions

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