A<unk>  is a person who offers services for the purpose of improving an individual's<unk><unk>  or to treat<unk>  illness.  These<unk> s include psychiatrists, clinical psychologists, clinical social workers, psychiatric nurses as well as other<unk> s. These<unk> s often deal with the same illnesses, disorders, conditions, and issues; however their scope of practice often differs. The most significant difference between<unk> s is education and training.
Mental health professional
Geneticist
General practitioner
Medical technologist
Nurse practitioner
Nurse
Neuroscientist
Aviation Medical Examiner