It is important for health care professionals to know development norms so they will be able to identify whether a baby or child is growing at a normal rate.
Arnold Gesell developed a so called assessment scale which helps health professionals identify weather the behavior and understanding matches the age of the child. This helps health professionals see if a service user has development problems and if identified in advance they may get the appropriate intervention.
It is important that health professionals have a good understanding of the links between certain illnesses and genetics such as schizophrenia and autism.
Although it is difficult to determine how someone’s genetic inheritance could influence their behavior