The branch of medicine which is involved in the medical care of infants, children and adolescent is coined as Pediatrics & Adolescent Medicine. The pediatrician is the one who plays the major role in treating the newborn these pediatricians work in both pediatric hospitals and particularly in subspecialties such as Neonatology units and also as outpatient primary care physicians. Some of the sub-specialties include Adolescent Medicine, Child Abuse Pediatrics, Clinical Informatics, Medical Toxicology, Developmental-Behavioral Pediatrics, Pediatric Genetics, Headache Medicine, Hospice and Palliative Care, Neonatology, Pain Medicine, Pediatric Allergy and Immunology, Pediatric Cardiology, Pediatric Cardiac Critical Care, Pediatric Critical Care, Neuro Critical Care, Pediatric Cardiac Critical Care. Adolescence is considered as a transitional phase of growth and development between childhood and adulthood. One in six people are aged 10–19 years affected by the adolescent health issues.