Patterns Of Environmental Pollution

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Patterns of environmental pollution and of the diseases caused by pollution vary greatly from country to country. Almost every country has its own story concerning the environmental pollution. The critical factors responsible for these sharp differences includes:
National income and level of development.
High-Income Countries
The principal pediatric diseases seen today in HICs are chronic, non-communicable diseases (NCDs).
These diseases include birth defects—a leading cause of infant death in the United States and asthma, which has been increasing in prevalence since 1980 In addition, the reported prevalence of neurodevelopmental disorders, including dyslexia, mental retardation, attention deficit/hyperactivity disorder, and autism, have also increased sharply, as have leukemia and brain cancer among children. Childhood obesity more than doubled from 1980 to 2012, and its sequel, type 2 diabetes, has become epidemic.
The major diseases of adults in these countries are also NCDs—heart disease, stroke, cancer, diabetes, and chronic lung disease.
Low- and Middle-Income Countries
In contrast, indoor air pollution and contaminated drinking water have been the major environmental risk factors for disease in LMICs, as clearly demonstrated in recent analyses in Ghana and South Africa (WHO 2005, 2014a, 2014d). Malnutrition and the high incidence and prevalence of parasitic and vector-borne diseases have also been major threats to human health. These health problems are

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