Psychologists are health professionals who have training and
expertise in human behavior and psychological health.
Psychologists are not medical doctors, but they hold a doctor of
psychology (PsyD degree) or doctor of philosophy (PhD degree) in
clinical psychology, counseling, or school Psychologists
evaluate and treat people who have mental health problems, such
as depression. Psychologists also provide counseling and other
mental health services. Some states allow psychologists to
prescribe medicine. Psychologists are licensed in the state in
which they How this information was developed to help you make
better health decisions.