Even though Pediatricians are similar to family physicians, their focus is in the caring of children from birth to about the age of 18. A Pediatrician,diagnoses,treats and helps prevent a disease.They also examine children to assess their growth and development.They explain they explain the results of a test or of something to the patient or the parent of the patient,so they know if the results are good or bad.They help and treat children with health problems,mental and physical growth and development.