How do environmental factors cause disease?

Examples include: Chemicals in cigarettes are known to cause lung cancer. Exposure to asbestos, an insulating material found in some older buildings, can cause tumors, lung cancer, and other diseases. Wood-burning stoves and poorly vented gas ranges can produce smoke or gases that can cause breathing problems.

Does the environment have an effect on disease?

Water, sanitation, food and air quality are vital elements in the transmission of communicable diseases and in the spread of diseases prone to cause epidemics. A number of environmental factors influence the spread of communicable diseases that are prone to cause epidemics.

How many diseases are caused by environmental factors?

Environmental risk factors, such as air, water and soil pollution, chemical exposures, climate change, and ultraviolet radiation, contribute to more than 100 diseases and injuries.

What are environmental diseases?

In epidemiology, environmental diseases are diseases that can be directly attributed to environmental factors (as distinct from genetic factors or infection). Apart from the true monogenic genetic disorders, which are rare, environment is a major determinant of the development of disease.

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What are the factors that cause disease?

Infectious diseases can be caused by:

  • Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
  • Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
  • Fungi. …
  • Parasites.

What are the diseases caused by poor environment?

Poor sanitation is linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio and exacerbates stunting. Poor sanitation reduces human well-being, social and economic development due to impacts such as anxiety, risk of sexual assault, and lost educational opportunities.

Which of the following is an environmental factor that can cause an infectious disease?

Infectious diseases are acute illnesses caused by bacteria, protozoa, fungi, and viruses. Food and water contaminated with pathogenic microorganisms are the major environmental sources of gastrointestinal illness.

What is the role of environment in infectious disease?

Introduction. The environment plays a powerful role in the transmission of infectious diseases, including vector-borne diseases such as malaria, dengue, and human African trypanosomiasis. It is therefore of huge significance to public health strategies around the world.

What are the 5 environmental factors?

Environmental factors include temperature, food, pollutants, population density, sound, light, and parasites.

How are diseases caused and prevented and cured?

Prevention & Treatment

  1. Keep immunizations up to date.
  2. Wash your hands often. …
  3. Prepare and handle food carefully. …
  4. Use antibiotics only for infections caused by bacteria. …
  5. Report to your doctor any rapidly worsening infection or any infection that does not get better after taking a course of antibiotics, if prescribed.
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Which of the following factors can lead to emergence of a disease?

Several factors contribute to the emergence and re-emergence of infectious diseases, but most can be linked with the increasing number of people living and moving on earth: rapid and intense international travel; overcrowding in cities with poor sanitation; changes in handling and processing of large quantities of food …

How do bacteria cause disease?

Bacteria cause disease by secreting or excreting toxins (as in botulism), by producing toxins internally, which are released when the bacteria disintegrate (as in typhoid), or by inducing sensitivity to their antigenic properties (as in tuberculosis).