Pediatric nutrition:

A paediatrician provides general medical care, monitors growth and development, and tracks and administers immunizations for infants, children, adolescents, and young adults. The paediatrician diagnoses and treats illnesses, medical conditions, and injuries, and eases the lives of children with chronic conditions

The first three years of life are a period of incredible growth in all areas of a baby's development. Infant and early childhood mental health includes a full spectrum of social and emotional functioning. This ranges from the ability to form satisfying relationships with others, play, communicate, learn, and express emotions, to the disorders of very early childhood.