Health Concerns Of Parents Regarding 1-month-old Baby! Nutritious diet is very important for children because, in growing age, nutrients are known for their physical and mental development. Apart from mother's milk, iron, calcium, vitamin C, D, A etc. nutrients are also found in the child. Children are given some necessary vaccines for their health, like BCG, Hepatitis B, DTP, Polio, etc. It is very important to have a vaccine for the health of the child. If There Is Any Problem Related To The Health Of The Children, Then Definitely Contact The Doctor.