How the concept of health has changed over time guide
A discussion post examining how the concept of health has changed over time, how it evolved to include wellness, illness and overall well-being, how health promotion has changed, and why it matters that nurses implement health promotion interventions based on evidence-based practice.
Editorial process
Last reviewed · August 13, 2026
How four questions in this prompt connect
Four questions sit in this prompt and the fourth is doing something different from the first three, which is worth noticing before you start. The first three are historical and conceptual; the fourth asks for a justification of evidence-based practice in health promotion specifically. If you answer the first three well and then attach a general paragraph about the importance of evidence, you will have written the post most of your cohort writes. The stronger move is to let the historical account set up the evidence question, because the reason evidence matters here is a direct consequence of how the concept expanded. Plan that connection before you draft, and the post acquires an argument rather than a sequence. Planning the connection also stops the post from reading as four short answers stapled together, which is what a four-part prompt produces when it is answered obediently.
The historical arc has a shape and stating it plainly is more useful than a chronology. Health was long defined negatively, as the absence of disease, which is a definition that makes a physician the arbiter and makes health something you notice only when it fails. The mid-twentieth-century redefinition around complete physical, mental and social well-being broke that, but replaced it with a standard so absolute that almost nobody meets it, which is the substance of the main criticism of it. Later thinking moved toward capacity: health as the ability to adapt and to self-manage in the face of social, physical and emotional challenge, which restores the possibility of being healthy while living with a chronic condition. Setting the arc out as three positions rather than two also gives you something to compare, and comparison is where the analytical marks in a conceptual question sit.
That last move is the one to develop because it is where the prompt's second question lands, and it is the point most posts miss. If health is the absence of disease, then a person with a permanent condition can never be healthy, which is an absurd conclusion given how many people live long and full lives with one. If health is a capacity to adapt, then wellness and illness stop being opposite ends of one line and become separate dimensions: a person can be seriously ill and functioning well, or free of diagnosed disease and functioning badly. Saying that explicitly is the clearest way to show you understood the expansion the prompt is asking about, and it also explains why the vocabulary shifted. It is also the point at which the vocabulary in your course text starts to make sense, since wellness and well-being are only distinct terms once health has stopped meaning the absence of disease.
Health promotion changed alongside the definition and the same logic drives it. When health meant absence of disease, promotion meant education and early detection, delivered to individuals by clinicians, with the implicit theory that people behave unhealthily because they lack information. As the definition widened, promotion widened with it: the charters and frameworks that shaped modern practice put the emphasis on the conditions in which people live, on public policy, supportive environments and community action, alongside personal skills. That reframing is why a nurse's health promotion work now includes advocacy and environment as well as teaching, and it is a considerably more interesting answer than saying promotion became more holistic. Naming the framework rather than describing it also gives you a citation for a claim that would otherwise sound like your own summary of a very large historical shift. Advocacy and environment are nursing work under the newer framing, not additions to it.
The evidence question then answers itself, and this is the payoff of planning the connection. Health promotion is unusually vulnerable to intuition because everything in it sounds reasonable. Telling people about risks sounds like it should work; it frequently does not, and information-only interventions have a poor record across several fields. Some well-intentioned programmes produce no effect and a few produce harm. Because promotion targets whole populations rather than individual patients, an ineffective intervention consumes resources at scale and a harmful one does damage at scale. That asymmetry is the real reason evidence matters more here than in some clinical areas, and it is the sentence that will distinguish your post. Scale is also why an intervention that merely does nothing is a real cost rather than a neutral outcome, which is a point most posts on evidence never reach. An intervention that does nothing at scale is a cost, not a neutral result.
Close with something concrete rather than a general endorsement. Name an intervention you would defend on the evidence and one that persists despite weak evidence, and say how you would tell the difference in your own setting: what outcome you would look for, over what period, and what would count as a null result. Then finish on a claim your peers can dispute, such as which of the three definitions best fits nursing practice, or whether the capacity definition makes health so broad that it stops being measurable. Cite the framework documents rather than describing them from memory, since they are short, freely available and specific. A named pair of interventions also gives your classmates something to disagree with, since somebody in the cohort will be running the one you called weakly supported. Say what would count as a null result before you look, and the claim becomes testable.
Likely learning objectives
Inferred from the brief — check these against your own rubric.
- 01Describe the shift from negative, absolute and capacity-based definitions of health.
- 02Explain why wellness and illness are separate dimensions rather than opposite ends.
- 03Connect the widening definition to the widening scope of health promotion.
- 04Argue why evidence matters more in population-scale promotion than intuition suggests.
- 05Name a defensible intervention and one that persists without good evidence.
Read the full question
Review every instruction before using the planning guidance that follows.
Course-wide instructions that accompany this question
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This is a public forum for the class. Individual Forum: This is a private forum to ask me questions or send me messages. This will be checked at least once every 24 hours. Concept Of “Health” Has Changed Overtime DQ
Turn the brief into deliverables
- 01A discussion of how the concept of health has changed over time.
- 02An account of how it evolved to include wellness, illness and overall well-being.
- 03An account of how health promotion has changed over time.
- 04An explanation of why nurses should implement health promotion interventions based on evidence-based practice.
From absence of disease to capacity, and what follows
The negative definition
Health as absence of disease, and what that framing makes possible and impossible.
The absolute definition
The complete well-being formulation, what it corrected and what criticism it attracted.
The capacity definition
Health as the ability to adapt and self-manage, and why it restores health to people with chronic conditions.
Wellness and illness as dimensions
Show that the two are not opposite ends of one line, with an example of each combination.
How promotion changed
From individual education and screening to policy, environment, community action and personal skills.
Why evidence matters here specifically
Promotion is intuitive, information-only approaches often fail, and interventions operate at population scale.
Two named interventions
One you would defend and one that persists on weak evidence, with how you would tell them apart.
Reading the health promotion frameworks directly
Recommended databases
- WHO health promotion resources
- Healthy People 2030
- CINAHL
- Course health promotion text
Search sequence
- 1.Read the constitutional definition and the health promotion charter directly rather than through a textbook summary.
- 2.Search for the critique of the absolute definition and for the capacity-based alternative proposed in response.
- 3.Find a national framework's current objectives to show what promotion targets now.
- 4.Search for an evaluation of an information-only health education intervention, which supplies the evidence argument.
- 5.Look for one intervention with strong evidence in your practice area to name in the closing paragraph.
Reference shortlist
These are authoritative starting points, not a ready-made bibliography. A qualified reviewer must confirm that each source fits the assignment and supports the claim beside which it is cited.
Nothing here is cleared for citation until you have read it.
- 01
Constitution of the World Health Organization
World Health Organization · 2025
The source of the complete physical, mental and social well-being definition; quote it rather than paraphrasing.
- 02
Health Promotion
World Health Organization · 2025
The charter that reframed promotion around policy, environments and community action; the evidence for the scope change.
- 03
Social Determinants of Health - Healthy People 2030
Office of Disease Prevention and Health Promotion · 2025
Current national objectives showing what promotion now targets beyond individual behaviour.
- 04
Communities in Action
National Academies of Sciences, Engineering, and Medicine, NCBI Bookshelf · 2017
Evidence on the conditions that produce health, supporting the argument that promotion is not primarily an information problem.
Review before submission
Common mistakes
- Answering the first three questions and attaching a generic paragraph about evidence.
- Giving a chronology of dates instead of the shape of the conceptual change.
- Missing the consequence that a chronic condition would preclude health under the old definition.
- Describing health promotion as becoming more holistic without saying what changed.
- Treating evidence as important in general rather than for a reason specific to promotion.
- Ending with a general endorsement rather than a testable claim.
Submission checklist
- Three definitional positions are described, not just old and new.
- The chronic condition consequence is stated explicitly.
- Wellness and illness are treated as separate dimensions.
- The change in health promotion is tied to the change in definition.
- The scale argument for evidence appears.
- One well-supported and one weakly supported intervention are named.
- Framework documents are cited rather than paraphrased from memory.
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Written by
Aaron Bishop
MA, Education
assignment interpretation and research-methods coaching across disciplines
Aaron leads the EssayCrackers editorial desk. He works on how assignment briefs are read — what a rubric is actually asking for, and where students most often answer a different question than the one set.
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Dr. Nathan Cole
PhD, Rhetoric & Composition
Argumentation and thesis development
Nathan teaches first-year composition and directs a university writing center. He reviews EssayCrackers guides for argumentative soundness and citation accuracy.