Introducing Health Psychology
What people die from is changing Acute Infectious diseases –Pneumonia –Tuberculosis (TB) –Diarrhea and enteritis Chronic diseases –Cardiovascular diseases Heart disease Stroke –Cancer
Young people (1 - 44) most likely to die from: Accidents (unintentional injuries) Violent deaths –Murder (Homicide) –Suicide
Ethnicity and disease Diseases and life span vary by ethnicity. E.g. Japanese live longer that European Americans European Americans live longer that African Americans
Income and Disease Poverty & low education = health problems & lower life expectancy Unrelated to ethnicity
Education and disease Inverse relation between education and disease More education = less disease
Are living longer? 1900 = 47.3 years 2007 = 77 years 30% increase
Why has the life expectancy increased? Main factor = lower infant mortality
Will health care cost you more? Costs have increased faster than inflation Why are medical costs increasing? Aging population Sophisticated medical technology Complex surgical procedures
What is health? Biomedical model (Western medicine) Disease is exclusively a biological process Pathogen (disease-causing organism) = disease No pathogen = health Most useful for infectious diseases
What is health? Newer (more inclusive model) Biopsychosocial model Includes: Biological, Psychological, and Sociological (social) influences. Viewpoint of health psychologists Eg. Psychosomatic illness
Advantages of the Biopsychosocial model Better for current model of lifestyle diseases Adds Psychological and social aspects Views health as a positive condition Not just the absence of illness
Advantages of the Biopsychosocial model Sees many diseases resulting from a combination of: Genetics Physiology Social support Personal control Stress Compliance Personality Poverty Ethnicity Cultural beliefs
What is the focus of health psychology? Health enhancement Disease prevention Rehabilitation Interdisciplinary team member