What is Environmental Health Science?



STOP - You must read Chapter 2 before doing this lesson


Introduction

The four basic determinants of health are hereditary or biological factors, medical care, lifestyle, and environment. Considering the world's population as a whole, the environment affects people's health more strongly than any of the other determinants. The environment encompasses the water we drink, the food we eat, the air we breathe. In the past because poor environmental management, many people died from environmental related diseases such as typhoid fever. Today the health of a lot of people is affected due to water pollutants, air pollutants or food contamination. Some estimates, based on morbidity and mortality statistics, indicate that the impact of the environment on health status is as high as 80 percent.

Environment

Can be define as:

Environmental Health Science

Is the systematic study of our environment and our proper place in it. It is highly interdisciplinary. The study of environmental health science can be divided but not limited in four major areas:

AIR QUALITY

Air Pollution Control Clean Air Act
Primary and Secondary Pollutants Photochemical Oxidants
Particle Matter (PM10, PM2.5) Global Warming
Ozone Depletion Acid Rain

Water Quality

Water Pollution Control Point Source, Non point source
Drinking Water Treatment Wastewater Treatment
Septic Systems Chlorination

Soil Protection

Solid waste Management Hazardous waste Management
Soil Erosion Land used Management

Food Sanitation

Food quality Management HACCP
Personal Hygiene Vector Control, Pest Control

During this course we will be covering all the different areas of Environmental Health. The text book material will be complemented with internet links which your are supposed to visit and read. It is my hope that at the end of the course you have acquired a better understanding of your environment and our proper place in it.


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