5.1 Introduction to Health Psychology
- Syllabus
- 2025
- Topic
- 5.1
- Level
- —
Health psychology addresses physical health and wellness as they relate to behavior and mental processes. It asks how what people do, think, and feel is associated with health—and how health experiences are associated with behavior and mental life.
| Domain | Health-psychology focus |
|---|---|
| Physical health | Bodily health conditions and functioning |
| Wellness | Overall state of functioning and well-being |
| Behavior | Actions relevant to health and responses to health conditions |
| Mental processes | Thoughts, emotions, perceptions, and other internal processes related to health |
A health psychologist might examine a relationship among a health-related action, a person's thoughts or emotions, and a physical or wellness outcome. The psychological task is to identify the measured relationship and evidence, not to assume that any association proves one-way causation.
Health psychology is not limited to diagnosing physical disease, and it does not treat health as purely mental. Its scope is the connection among physical health, wellness, behavior, and mental processes.
Stress can heighten susceptibility to disorders and disease. It is linked with physiological issues including hypertension, headaches, and immune suppression. A link means stress contributes to risk; it does not mean every stressed person develops the same condition or that stress is the only cause.
| Stressor category | Distinguishing feature |
|---|---|
| Eustress | Experienced as motivating |
| Distress | Experienced as debilitating |
| Trauma | An intensely stressful experience |
| Daily hassle | A smaller recurring stressor whose effects can accumulate |
| Adverse childhood experience (ACE) | Childhood source of stress that can affect a person across the lifespan |
The same demand may be interpreted as motivating by one person and debilitating by another. Duration also matters: a single daily hassle may be limited, but repeated hassles can build up over time and contribute to sustained stress.
Eustress is still stress; the term identifies a motivating appraisal rather than the absence of physiological activation. An ACE is a source of later risk, not a guarantee of a particular lifelong outcome.
| GAS phase | What happens |
|---|---|
| Alarm reaction | The stressor is encountered and a fight-flight-freeze response begins |
| Resistance | The person confronts or adapts to the continuing stress while resources remain engaged |
| Exhaustion | The stress subsides or resources are spent; susceptibility to illness is greatest |
General adaptation syndrome describes a process, so phase order matters. Alarm is the initial response, resistance is sustained confrontation, and exhaustion reflects the endpoint of prolonged resource use or the period after the stress subsides.
Tend-and-befriend theory proposes another stress reaction: tending to one's own needs or the needs of others and seeking connection. The CED reports that this pattern seems to occur mostly in women; this is a research tendency, not a rule that excludes men or requires every woman to respond this way.
Fight-flight-freeze and tend-and-befriend describe reaction patterns; problem-focused and emotion-focused coping describe strategies for managing stress. Do not treat reaction and coping as the same stage.
| Coping form | Primary target | CED-supported example |
|---|---|---|
| Problem-focused | The stress-producing problem | Work through possible solutions until one is found |
| Emotion-focused | The emotional reaction to stress | Deep breathing, meditation, or medication aimed at reducing the stressful emotional response |
To classify a coping response, ask what the person is trying to change. Creating and carrying out a solution targets the problem. Regulating distress targets the emotional response even if the stressor itself remains.
The two forms are not mutually exclusive. A person can use deep breathing to manage emotion and then work through a practical solution. Each action is classified by its immediate target.
Emotion-focused coping is not automatically avoidance, and problem-focused coping is not simply thinking about a problem. The defining difference is regulation of emotion versus action toward solving the stressor.