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Published on: June 7, 2017
The Precautionary Principle, epidemiology and the ethics of delay
Elihu D Richter1, Richard Laster
1Unit of Occupational and Environmental Medicine, Hebrew University-Hadassah School of Public Health and Community Medicine, Jerusalem, Israel. elir@cc.huji.ac.il
Summary
The Precautionary Principle guides public health by prioritizing prevention over proof of harm, shifting the burden of proof to demonstrate safety and ensuring ethical action. This approach aims to prevent harm by acting decisively when potential hazards are identified.
Area of Science:
- Public Health Ethics
- Epidemiology
- Environmental Health
Background:
- Ethical principles mandate doing good and avoiding harm, emphasizing justice, equity, and autonomy.
- Historical failures in risk detection and action, such as with asbestos and smoking, highlight the ethical implications of delays.
- The Precautionary Principle offers a framework for preventing harm by acting before definitive proof of risk is established.
Purpose of the Study:
- To re-emphasize epidemiology's role in early detection and prevention of public health hazards.
- To explore the application of the Precautionary Principle as a re-definition of Bradford Hill's call for action.
- To integrate upstream (Driving Forces Pressure Stress Exposure Effect Action model) and downstream (molecular epidemiology) strategies for risk management.
Main Methods:
- Conceptual analysis integrating ethical principles, the Precautionary Principle, the DPSEEA model, and molecular epidemiology.
- Review of historical case studies illustrating the consequences of delayed risk recognition and action.
- Examination of the shift in the burden of proof from demonstrating risk to demonstrating absence of risk.
Main Results:
- The Precautionary Principle provides a common-sense rule for preventing public health harm by acting in the face of uncertainty.
- It subsumes both upstream and downstream strategies for hazard and risk detection and prevention.
- Delays in recognizing and acting on risks represent scientific and ethical failures, leading to preventable harm.
Conclusions:
- The Precautionary Principle, ethical considerations, the DPSEEA model, and molecular epidemiology all underscore the importance of early detection and prevention in public health.
- Applying the Precautionary Principle necessitates careful consideration of implementation costs, long-term goals, and compensation principles.
- Ensuring justice, equity, and autonomy requires proactive measures to prevent potential harm to public health and the environment.
Keywords:
Health Care and Public Health
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