John L. Arnett
John L. Arnett is a Canadian psychologist whose work concerned developing clinical health psychology. Career. In 1985, Arnett was appointed Head of the Department of Clinical Health Psychology at the University of Manitoba, Winnipeg. This department was designed to expand the remit of psychologists in healthcare beyond mental health into physical health. Arnett's publications focus on arguing for the need for clinical psychologists to have a wider remit within healthcare.