Although chronic diseases are primarily environmental (ie, not genetic) in origin, the particular environmental causes of these diseases are poorly understood. A WHO study of worldwide cancer mortality identified nine diverse environmental factors, including pollution, diet, lifestyle factors and infections.
What are the 5 environmental factors?
Environmental factors include temperature, food, pollutants, population density, sound, light, and parasites .
What is considered an environmental factor?
Environmental factors include temperature, food, pollutants, population density, sound, light, and parasites . The diversity of environmental stresses that have been shown to cause an increase in asymmetry is probably not exclusive; many other kinds of stress might provide similar effects.
Is diseases genetic or environmental?
We find that most diseases are dominated by genetic risk factors , while environmental influences prevail for disorders such as depressions, cancers, or dermatitis.
What are examples of environmental diseases?
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.
How do environmental issues affect my life?
Environmental hazards increase the risk of cancer, heart disease, asthma, and many other illnesses . These hazards can be physical, such as pollution, toxic chemicals, and food contaminants, or they can be social, such as dangerous work, poor housing conditions, urban sprawl, and poverty.
What are environmental risk factors?
- Tobacco. ...
- Alcohol. ...
- Obesity. ...
- Ultraviolet radiation. ...
- Asbestos. ...
- Viruses. ...
- Ionizing radiation.
What are the 3 types of genetic disorders?
- Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example.
- Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed. ...
- Complex disorders, where there are mutations in two or more genes.
What are 5 genetic diseases?
- Down Syndrome. ...
- Thalassemia. ...
- Cystic Fibrosis. ...
- Tay-Sachs disease. ...
- Sickle Cell Anemia. ...
- Learn More. ...
- Recommended. ...
- Sources.
Can genetic disorders be prevented?
Genetic disorders are not curable but can only be prevented . Genetic disorder is one of several cause of infant mortality. In fact, 20% of the infant mortality in developed countries is due to genetic disorders. Genes are very powerful when it comes to birth of a child.
How can environmental factors cause disease?
A number of specific environmental issues can impede human health and wellness. These issues include chemical pollution, air pollution, climate change, disease-causing microbes , lack of access to health care, poor infrastructure, and poor water quality.
What is the most important environmental issue?
Of all the current environmental issues in the U.S., global warming may be the most notable because its effects are so far-reaching.
What are the causes of environmental disease?
Introduction. Environmental diseases (ENVDs) are non-communicable diseases that result when people are chronically exposed to toxic environmental chemicals . Other contributory causes of ENVDs include radiation, pathogens, allergens and psychological stress.
What are the 10 major environmental problems?
- Pollution. ...
- Global warming. ...
- Overpopulation. ...
- Waste disposal. ...
- Ocean acidification. ...
- Loss of biodiversity. ...
- Deforestation. ...
- Ozone layer depletion.
How can we prevent environmental diseases?
- Painting your house? Use a latex paint. ...
- Get a tune-up. Properly maintained vehicles get better gas mileage and emit fewer pollutants.
- Don’t top off your gas tank. ...
- Conserve energy. ...
- Don’t burn your yard waste. ...
- Plant a tree. ...
- Park the car.
What are environmental influences?
Internal and external environmental factors, like gender and temperature , influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
