A City Guide To Loushanguan for doesn’t smoke, also behave healthily in other ways, e.g. attend dental screening? Are we rational and consistent beings? Does gender, age or socio-economic status affect health either directly or indirectly via their effects on other things? Why do some people appear to get ill all the time while others stay healthy? Health psychology integrates many cognitive, developmental and social theories and explanations, but it applies them solely to health, illness and health care. You may want to pick up an introductory psychology text and look at the learning, motivation, social, developmental and cognitive sections in more detail. The main goals of health psychology, derived from Matarazzo’s definition , are to develop our understanding of biopsychosocial factors involved in n the promotion and maintenance of health; n improving health-care systems and health policy; n the prevention and treatment of illness; n the causes of illness e.g. vulnerability/risk factors. A City Guide To Loushanguan 2016.