Difficulty: Introductory to Intermediate | Prerequisites: Lectures 12 to 14 provide the clinical and social context that this lecture synthesises.
This is the wrap-up lecture for the course, pulling together themes from earlier material into a forward-looking discussion of where health psychology is headed. It covers health promotion strategies (who to target, how to prevent poor habits), health disparities, stress research priorities, quality-of-life assessment, the impact of technology, cost effectiveness and international health. It also outlines the career pathway for becoming a health psychologist. If you have missed lectures, this one is lighter on new clinical content but heavier on synthesis and application.
Health psychology's future priorities include targeting at-risk populations, preventing poor health habits through behavioural immunisation, promoting resilience, addressing health disparities tied to SES and ethnicity, and documenting cost effectiveness. International health faces rising chronic disease in developing countries. The field values culturally competent, evidence-based interventions. Career paths include undergraduate groundwork, graduate research and clinical training, and postgraduate specialisation.
Behavioural immunisation
Programmes focused on preventing poor health habits such as smoking, drug abuse, unhealthy diet and eating disorders before they begin. Think of it as vaccinating behaviour, not biology.
Health disparities
Systematic differences in health outcomes tied to socioeconomic status, race, ethnicity and gender. In simple terms, some groups are consistently sicker or die earlier, and the reasons are structural, not random.
Resilience (in health psychology)
The focus on positive factors that reduce morbidity or delay mortality, including the ability to attract and maintain social support and spontaneously reduce stress.
Evidence-based medicine
The judicious use of scientific evidence to make decisions about patient care. In simple terms, treatment decisions should be grounded in research, not intuition alone.
Cost containment
The push within health psychology toward research designed to keep people out of the healthcare system through prevention and early intervention, driven by the high cost of treating chronic diseases.
Comprehensive intervention models
Community and societal-level interventions that target multiple risk factors simultaneously, enhancing motivation through public health management.
Individuals at risk should learn to cope with their risk status and change their modifiable risk-relevant behaviours. Studies on at-risk populations help identify the promoting factors of disorders.
Behavioural immunisation programmes focus on smoking, drug abuse, diet and eating disorders. Parents should be taught to reduce accident risks at home, practise good safety habits in vehicles and instil good health habits in their children.
Interventions for older adults should emphasise diet, exercise, control of alcohol consumption and other health habits.
Reasons for refocusing toward morbidity include the high cost of treating chronic diseases and the goal of producing a higher quality of life.
Priorities for the future:
Address more than one behavioural risk factor at a time
Maintain behaviour change over the long term
Develop broader environmental and health policies that support and sustain individual efforts
Focus on positive factors that reduce morbidity or delay mortality
Enhance people's abilities to attract and maintain social support
Study how people spontaneously reduce stress and seek out rest, renewal and relaxation
Risk factors tied to low SES:
Alcohol consumption and tobacco use
High levels of lipids and obesity
Fewer psychosocial resources
Higher rates of chronic illness
Low-birth-weight babies and infant mortality
Higher risk of accidents
Racial and ethnic differences, SES and ethnic differences all affect the delivery of medical treatment. Women are not included as research subjects in studies of many major diseases, which is a significant gap.
Research on the neurophysiology of stress will clarify how stress exerts adverse health effects. Social support can buffer stress by reducing social isolation, promoting benefits of social ties, alleviating toxic social ties and ensuring people who need help are getting it.
Health psychologists play a role in developing cost-effective interventions, being aware of complementary and alternative medicine, developing interventions that address psychological needs met by such treatments, and addressing ethical issues surrounding death and dying.
Factors to consider during treatment include living situations and available economic resources, and evaluating care in residential settings to guard against maltreatment. The higher incidence of chronic conditions in older populations means efforts to control them must focus on prevention.
Technology has resulted in enormous costs of medicine. To reduce patients' fear, clinicians should explain the purpose of a technology and use control-enhancing interventions. Advances in the decision sciences help improve healthcare decision-making.
These are employed for concerted attacks on risk factors. Public health management involves community and societal-level intervention that enhances motivation. Attention must be paid to both cost effectiveness and treatment effectiveness.
Cost containment pushes health psychology toward research designed to keep people out of the healthcare system. Health psychology interventions must document their effectiveness, present data to the general public and identify the most critical components of behavioural interventions. Evidence-based medicine calls for the judicious use of scientific evidence in patient care decisions.
Life expectancy has increased globally, but acute infectious disease remains high in developing countries due to poverty, lack of education and lack of healthcare resources.
Trends in developing countries:
Increase in smoking
Decrease in active lifestyle
Increase in the incidence of chronic diseases
Health psychologists can contribute to international health through their understanding of varying cultural norms, how social institutions function, and the roles culturally specific attitudes play in healthcare practices and decisions.
Undergraduate: Take health psychology courses, gain knowledge of biological bases of behaviour, get involved in research or volunteer work, gain practical field experience.
Graduate: Decide between research, clinical practice or both. Apply to relevant programmes, take research methodology and statistics courses, gain practical experience, complete a dissertation, take licensure exams.
Postgraduate: Identify training gaps, undertake postdoctoral work under a senior scientist.
Employment options: academic positions, hospital or treatment settings, private practice, workplace consultancy, government agencies, health care advisory roles.
Students sometimes think health disparities are only about poverty. They are also shaped by race, ethnicity, gender and access to care, even within the same income bracket.
Students may assume that health promotion is only about individuals changing their behaviour. Effective promotion requires broader environmental and policy changes that support and sustain individual efforts.
Students often overlook the gender gap in health research: women have historically been excluded as research subjects in studies of many major diseases.
Know what behavioural immunisation is and which health habits it targets
Understand why health promotion efforts are refocusing toward morbidity (cost, quality of life)
Be able to list risk factors tied to low SES
Know the four functions of social support in buffering stress
Understand the concept of evidence-based medicine
Be familiar with the career pathway for health psychologists (undergraduate, graduate, postgraduate, employment)
True or False: Behavioural immunisation programmes focus only on smoking.
False. They also target drug abuse, diet and eating disorders.
Fill in the blank: ______ is the judicious use of scientific evidence to make decisions about patient care.
Evidence-based medicine
True or False: Health disparities are exclusively caused by poverty.
False. They are also shaped by race, ethnicity, gender and differential access to care.
Q: What is behavioural immunisation?
A: Programmes focused on preventing poor health habits such as smoking, drug abuse, unhealthy diet and eating disorders before they take hold.
Q: Why are health promotion efforts shifting toward morbidity?
A: Because chronic diseases are expensive to treat, and the goal is to produce a higher quality of life through prevention rather than cure.
Q: Name three risk factors tied to low SES.
A: Any three of: alcohol and tobacco use, high lipid levels and obesity, fewer psychosocial resources, higher rates of chronic illness, low-birth-weight babies, infant mortality, higher accident risk.
Q: What is the role of health psychologists in international health?
A: They contribute through their understanding of varying cultural norms, how social institutions function, and the roles that culturally specific attitudes play in healthcare practices and decisions.
This lecture synthesises the chronic disease content from Lectures 12 and 13 with the structural and cultural factors from Lecture 14. Health disparities tie directly to the health gradient and ecological model. The emphasis on social support as a stress buffer connects back to every lecture in this block. The career pathway section is unique to this lecture and may appear on the exam as a practical application question.
Behavioural immunisation, health promotion, at-risk populations, prevention, older adults, morbidity, resilience, health disparities, SES, racial health disparities, gender in health research, stress research, social support, quality of life, aging population, technology in medicine, comprehensive intervention models, cost effectiveness, cost containment, evidence-based medicine, international health, developing countries, chronic disease trends, health psychologist career, undergraduate, graduate, postgraduate, licensure, PSY 320, health psychology