Unit 1599: Environmental Health Sciences

1. Introduction to Environmental Health Sciences

• Definition and scope of environmental health sciences
• Interdisciplinary approaches: biology, chemistry, epidemiology, toxicology, public health
• Key concepts: environment, health, exposure, risk
• Historical milestones and current trends

2. Environmental Risk Assessment

• Definition and purpose
• Steps in risk assessment:
  • Hazard identification
  • Dose-response assessment
  • Exposure assessment
  • Risk characterization
• Risk management and communication
• Case studies illustrating risk assessment

3. Air Quality and Its Impact on Health

• Sources of air pollution:
  • Natural vs anthropogenic
  • Common pollutants (PM, NOx, SOx, ozone, VOCs)
• Health effects of air pollution:
  • Respiratory diseases (asthma, COPD)
  • Cardiovascular impacts
  • Vulnerable populations
• Monitoring air quality:
  • Air quality indices
  • Sampling and measurement techniques
• Strategies to improve air quality and protect public health

4. Water Quality and Human Health

• Importance of clean water for human health
• Sources and types of water contamination:
  • Biological (bacteria, viruses, parasites)
  • Chemical (heavy metals, pesticides, industrial pollutants)
• Waterborne diseases and their epidemiology
• Water treatment and purification technologies
• Policies and guidelines for safe drinking water

5. Food Safety and Security

• Relationship between food production, distribution, and health
• Foodborne illnesses: causes, symptoms, and prevention
• Food security challenges:
  • Availability, access, utilization, stability
• Regulatory frameworks and international standards (e.g., HACCP, Codex Alimentarius)
• Emerging issues in food safety (GMOs, contaminants)

6. Climate Change and Health

• Overview of climate change drivers and phenomena
• Health impacts of climate change:
  • Extreme weather events (heatwaves, floods, storms)
  • Vector-borne diseases (malaria, dengue)
  • Food and water insecurity
• Adaptation and mitigation strategies
• Role of public health in climate resilience

7. Environmental Justice and Equity

• Definition and principles of environmental justice
• Disproportionate exposure of marginalized communities to environmental hazards
• Case studies highlighting environmental inequities
• Strategies to promote equity and community engagement
• Policy implications and advocacy

8. Occupational Health and Safety

• Overview of workplace environmental health hazards
• Common occupational hazards:
  • Chemical, physical, biological, ergonomic
• Injury and illness prevention strategies
• Regulatory frameworks and standards (OSHA, NIOSH)
• Role of workplace health promotion

9. Environmental Policy and Regulation

• Role of government and international bodies
• Key environmental health policies and laws
• International agreements and frameworks (e.g., Paris Agreement, Stockholm Convention)
• Enforcement and compliance mechanisms
• Challenges in policy implementation

10. Emerging Issues in Environmental Health

• Electronic waste and its health implications
• Nanotechnology: potential risks and benefits
• Emerging pollutants:
  • Microplastics, pharmaceuticals, endocrine disruptors
• Advances in environmental monitoring and technology
• Future directions in environmental health research