Pediatrics is the branch of medicine that focuses on the health and medical care of infants, children, and adolescents, typically up to the age of 18. Pediatricians are specialized doctors who diagnose, treat, and prevent childhood illnesses, diseases, and injuries. Key aspects of pediatrics include: 1. Neonatology – Focuses on the care of newborn infants, particularly the ill or premature. 2. Pediatric Cardiology – Specializes in heart conditions in children. 3. Pediatric Endocrinology – Deals with hormonal and metabolic disorders in children. 4. Pediatric Neurology – Concerned with neurological disorders in children. 5. Pediatric Infectious Disease – Focuses on infections and diseases that affect children. 6. Developmental and Behavioral Pediatrics – Focuses on developmental disorders and behavioral health issues, including autism, ADHD, and learning disabilities. Pediatrics also includes regular preventive health care, such as vaccinations, growth and developmental monitoring, and screening for common childhood conditions like asthma or obesity.