In epidemiology, environmental factors are those determinants of disease that are not transmitted genetically. Apart from the true monogenicgenetic disorders, environmental factors may determine the development of disease in those genetically predisposed to a particular condition. Diet, tobacco smoking, exposure to toxins, sunlight, pathogens or radiation are common environmental factors that determine a large segment of non-hereditary disease.
Environmentalism is the philosphical concern that humans may be damaging the natural environment, and that this damage may adversely impact people.
In modern times, environmentalism has spawned the environmental movement, which stresses issues such as industrial and other pollution, species extinction, preservation of biodiversity, waste management and recycling, global climate change, ozone depletion, and genetically engineered organisms.
The Environmental Movement (a term that sometimes includes the conservation and green movements) is a diverse scientific, social, and political movement.
It often is difficult to point to a single cause of a cancer, but certain environmentalfactors are strongly correlated with the occurrence of particular cancers.
Environmentalfactors cause mutations and also affect the rate of abnormal cell growth.
Environmentalfactors change both genes and the growth properties of cells that may lead to the development of cancer.
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