Pediatristler, or pediatricians, are medical doctors who specialize in the health and medical care of infants, children, and adolescents. They focus on diagnosing and treating a wide range of childhood illnesses, from minor health issues to serious diseases. Their training includes understanding the physical, emotional, and social development of young patients. In addition to treating illnesses, pediatristler also provide preventive care, such as vaccinations and regular check-ups. They work closely with parents to ensure that children grow up healthy and develop properly. Their expertise is crucial in guiding families through the various stages of childhood and adolescence.