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Health literacy reductionism: when individual deficits become the default explanation
Tsuyoshi Okuhara1, Hiroko Okada1, Emi Furukawa2
1Department of Health Communication, School of Public Health, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan.
Health Promotion International
|August 10, 2026
Summary
Health literacy reductionism oversimplifies complex health issues by focusing solely on individual patient deficits. This approach neglects crucial relational, organizational, and structural factors impacting health communication and promotion.
Area of Science:
- Public Health
- Health Communication
- Sociology of Health
Background:
- Health literacy is a key concept in health promotion.
- Its widespread adoption has led to an overemphasis on individual deficits.
- Complex health issues are often reduced to a lack of individual health literacy.
Purpose of the Study:
- To conceptualize and define "health literacy reductionism."
- To distinguish this pattern from related critical concepts.
- To provide tools for identifying and analyzing this reductionist tendency.
Main Methods:
- Conceptual analysis and critical discussion.
- Development of a spectrum to differentiate valid from reductionist explanations.
- Application of analytical codes to existing literature.
Main Results:
- Health literacy reductionism is a cross-cutting logic that can perpetuate issues like victim blaming and epistemic injustice.
- A spectrum and diagnostic questions were proposed to identify reductionism.
- Analysis of literature on medication adherence, clinical silence, shared decision-making, and vaccine hesitancy revealed instances of reductionism.
Conclusions:
- Health literacy reductionism has significant implications for research, health promotion, clinical practice, and institutional design.
- Moving beyond reductionism requires acknowledging and addressing structural and organizational factors.
- This framework aids in developing more nuanced and effective health interventions.
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