Pediatrics is the branch of medicine that deals with medical care of both infants and children. A medical practitioner who specializes in this area is known as a paediatrician. There are different types of subspecialties in the field of pediatrics and some of the subspecialties include clinical pediatrics, pediatric cardiology, pediatric surgery, pediatric nursing, pediatric obesity, pediatric neurology, pediatric psychology, pediatric emergeny medicine, pediatric critical care, pediatric dentistry, pediatric nutrition, pediatric allergy, pediatric cancer, pediatric radiology, pediatric diseases, etc.