Minor illnesses in young children occur very often, especially in children under 5 years old. Almost every mother has had a headache because her child is often sick, takes a long time to recover, and often gets sick again.

Many parents have a headache because their children often get sick and have health problems after 6 months of age. This may be because their resistance gradually weakens. Have parents really paid attention to this problem, how can they help their children have strong resistance?