What is meant by environmental epidemiology?

The Committee on Environmental Epidemiology has adopted the following definition: Environmental epidemiology is the study of the effect on human health of physical, biologic, and chemical factors in the external environment, broadly conceived.

What is an example of environmental epidemiology?

For example, an RR of 1.4 for lung cancer after exposure to environmental tobacco smoke indicates that exposed persons are 40% more likely to develop lung cancer than are non-exposed persons. The strength of association must often be considered in relation to the population at risk and intensity of the exposure.

What is the purpose of environmental epidemiology?

Environmental epidemiology is a branch of epidemiology concerned with determining how environmental exposures impact human health. This field seeks to understand how various external risk factors may predispose to or protect against disease, illness, injury, developmental abnormalities, or death.

What does environmental epidemiology study?

Epidemiologists study the factors that cause disease and the distribution of diseases within the population. Environmental epidemiology focuses on the ways environmental factors (physical, chemical and biological) affect the health of populations.

What is a simple definition of epidemiology?

Section 1: Definition of Epidemiology. … Epidemiology is the study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems (1).

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What are the characteristics of environmental epidemiology?

To make a reasonable inference of causation in environmental epidemiology, eight basic characteristics of the findings should be considered: the strength, specificity, and consistency of the association; the period of exposure; the biologic gradient or the relationship between the dose and the response; the effects of …

Where do environmental epidemiologists work?

Work Environment

Epidemiologists work in offices and laboratories, usually at health departments for state and local governments, in hospitals, and at colleges and universities.

What are the branches of epidemiology?

Branches of Epidemiology

  • Molecular Epidemiology.
  • Disaster Epidemiology.
  • Forensic Epidemiology.
  • Environmental Epidemiology.
  • Travel Epidemiology.
  • Occupational Epidemiology.
  • References.

Why is epidemiology important to the study of environmental health problems?

Epidemiology is important to the study of environmen- tal health problems because (1) many exposures and health effects associated with the environment occur at the popula- tion level; (2) the epidemiologic methods of natural experi- ments and observational techniques are appropriate; (3) the study designs used in …

What are epidemiological issues?

Epidemiology has been defined as “the study of the distribution and determinants of health-related states or events in specific populations and the application of this study to control of health problems.”3 It tends, for the most part, to use the “medical model” of health need, viewing need in terms of the occurrence …

Why is epidemiology important?

When a disease occurs in a population, epidemiologists help us to understand where the disease is coming from, and who it is most likely to impact. The information gathered can then be used to control the spread of the disease and prevent future outbreaks.

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What is environment and environmental pollution?

Environmental pollution is defined as “the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected.

What is epidemiology Slideshare?

DEFINITION “EPIDEMIOLOGY IS DEFINED AS THE STUDY OF THE DISTRIBUTION AND DETERMINANTS OF HEALTH RELATED STATES OR EVENTS IN SPECIFIED POPULATIONS AND THE APPLICATION OF THIS STUDY TO CONTROL THE HEALTH PROBLEMS”. –