On the triad disease, illness and sickness

Area of Science:

• Philosophy of Medicine
• Medical Sociology
• Health Care Ethics

Background:

• The article reviews the debate between Twaddle and Nordenfelt concerning disease, illness, and sickness.
• These concepts are crucial for understanding human ailment and its implications for modern medicine.

Purpose of the Study:

• To investigate the utility and applicability of the concepts of disease, illness, and sickness.
• To analyze epistemic and normative challenges in modern medicine using these distinct perspectives.
• To demonstrate that these concepts can be understood independently of a general theory of health.

Main Methods:

• Conceptual analysis of the terms disease, illness, and sickness.
• Review and critique of existing philosophical discussions on these concepts.
• Application of the concepts to identify epistemic and normative challenges in healthcare.

Main Results:

• Disease, illness, and sickness represent different, valuable perspectives on human ailment.
• Significant epistemic and normative differences exist between these concepts.
• The concepts of disease, illness, and sickness can be applied without requiring a general theory of health.

Conclusions:

• The distinct perspectives of disease, illness, and sickness are fruitful for analyzing modern medicine's challenges.
• The complexity of these perspectives explains the difficulty in defining core healthcare concepts.
• These concepts offer a framework for understanding the multifaceted nature of health and ailment.