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Medicina Legal de Costa Rica

On-line version ISSN 2215-5287Print version ISSN 1409-0015


GURMEET SINGH, Sarla. Air pollution: Health effects. Med. leg. Costa Rica [online]. 2020, vol.37, n.1, pp.33-38. ISSN 2215-5287.


Air contamination happens when unsafe or inordinate amounts of substances including gases, particles, and organic atoms are brought into Earth's climate.


This review article defines air pollution, describes the types of pollutants, enumerates the various causative factors, enumerates the ways it impacts human health and suggests preventive measures to reduce the impact of air pollution on human health.


Literature was studied extensively and effects of air pollution on human health have been described.

Results and Conclusion:

Air pollution has tremendous effects on human health in the form of respiratory diseases and aggravations in the form of asthma and lung cancer, cardiovascular dysfunctions, and malignant growth. An affiliation has been found to exist between male infertility and air pollution and a relationship has been established between air contamination and higher danger of immune dysfunction, neuroinflammation, neurobehavioral hyperactivity, crime, age-unseemly behaviours, Alzheimer's and Parkinson's disease. Traffic-related air pollutants have been found to affect skin aging and cause pigmented spots on the face. An association exists between air pollution and irritation of the eyes, dry eye syndrome, risk for retinopathy and adverse ocular outcomes. Chronic exposure to air pollutants during pregnancy has been associated with adverse effects on the developing foetus in the form of low birth weight and still birth. Air contamination has been seen as a significant supporter of the expanded predominance of allergic diseases in children.

Keywords : Air pollution; particulate matter; fog; smog; mist; deforestation; volcanoes.

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