Robert Hamilton is an experienced pediatrician doctor of 30 years and is currently based in Santa Monica. A pediatrician medical doctor manages the behavioral, mental and physical health of children and newborn babies; they are trained to deal and diagnose minor to major health issues. Robert Hamilton shows how to calm a newborn when they are crying, by gently shaking the baby’s bottom. It is very important that you don’t jerk the baby, as this may cause them neck injuries and will not have the same affect. Watch the video and try this trick yourself next time.