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Harmful Effects Of Pollution On Respiratory System

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Last Updated: 18 January 2022

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Ambient is major cause of death and disease globally. Health effects range from increased hospital admissions and emergency room to increased risk of premature death. Estimate 4. 2 million premature deaths globally are linked to ambient air pollution, mainly from heart disease, stroke, chronic obstructive pulmonary disease, lung cancer, and acute respiratory in children. 29 percentage of all deaths and disease from lung Cancer 17 percentage of all deaths and disease from acute lower respiratory infection 24 percentage of all deaths from stroke 25 percentage of all deaths and disease from ischaemic heart disease 43 percentage of all deaths and disease from chronic pulmonary disease pollutants with strongest evidence for public Health concern, include particulate matter, ozone, nitrogen dioxide and sulphur dioxide. Health risks associated with particulate of less than 10 and 2. 5 microns in diameter especially good document. Pm is capable of penetrating deep into lung passageways and entering bloodstream causing cardiovascular, cerebrovascular and respiratory impacts. In 2013, it was classified as cause of lung Cancer by WHOas International Agency for Research on Cancer. It is also most widely used indicator to assess health effects from exposure to environmental air pollution. In children and adults, both short - and long - term exposure to ambient air pollution can to reduced lung function, respiratory infections and aggravated asthma. Maternal exposure to ambient air pollution is associated with adverse birth outcomes, such as low birth pre - term birth and small gestational age births. Emerging evidence also suggests ambient air pollution affect diabetes and neurological development in children. Considering precise death and disability tolls from many of conditions mentioned are not currently quantified in current estimates, with growing evidence, burden of disease from ambient air pollution is expected to greatly increase. Even though all populations are affected air pollution, burden of ill - health is inequitable within and across countries. Most of disease burden is bear by low - and middle - income countries, as well as poor and marginalized populations WHO tend to live near busy roads and industrial sites characterized by high levels of ambient air pollution. Nearly 90 percentage of 4. 2 million premature deaths due to ambient air pollution occur in low - and middle - income countries, with greatest burden in WHO Western Pacific and South - East Asia regions. Other susceptible groups include those with pre - existing lung or disease, as well as elderly people and children. In children with lungs, air pollution exposure can cause both short - and long - term deficits in lung function, as well as long - term reductions in lung growth rate. Improving air quality is, therefore, among measures with greatest potential impact on health equity. Large health benefits would occur for lower income groups, as well as children and elderly, WHO bear brunt of exposure to ambient air pollution or are most susceptible. Pollutants not only severely impact health, but also earthas climate and ecosystems globally.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Air pollutants

Damaging Effect Of Air Pollution On Lungs Depends On Type And Concentration Of Air Pollutant. Most Common Types Of Air Pollutants Are: Particulate Matter: Small Particles That Can Irritate And Cause Damage To Airways. Nitrogen dioxide: gas that can irritate and cause flares of asthma or COPD. Ozone: gas that reduce lung capacity and irritate airways. Sulfur dioxide: gas that can irritate lining of airways, particularly of individuals with asthma. For particulate matter, smaller size of particles, deeper it can travel into airways and has greater potential to cause to lungs. Pm2. 5 refers to particles with diameter of less than 2. 5m, which are associated causing more significant damage to lungs. Air pollutants and their concentration vary considerably according factors such as region, weather, and season.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Air pollution in respiratory diseases

Although cigarette smoking is considered as leading contributor to cancer - related death worldwide, 36 multiple additional risk factors, including both indoor 37 and outdoor 38 air pollution, also contribute to development of lung cancers. Air pollution exposure - induced pathogenesis of lung cancer is closely related to DNA injury, DNA adduct formation, aberrations, and methylation modifications, some of which are under development as biomarkers of lung cancers relative to ambient air pollution exposure. 39 It was established at least with intensive epidemiological that various air pollutants are directly associated with high incident rate of lung cancers. 36 37 38 39 In this review, we will emphasize epidemiological and toxicological evidence for delayed onset of Respiratory diseases with or perinatal exposure to air pollutants.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Sources

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

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