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THE SILENT THREAT: HOW AIR POLLUTION AFFECTS HUMAN HEALTH

9 out of 10 deaths attributed to outdoor air pollution are in low- and middle-income countries.

- World Health Organization (WHO)

Air pollution is one of the most pressing environmental challenges of our time, silently affecting millions of lives across the globe. From respiratory diseases to cardiovascular conditions and even premature deaths, the health impacts of polluted air are both widespread and severe. According to the World Health Organization (WHO), air pollution is responsible for an estimated 7 million premature deaths annually, making it a leading risk factor for global mortality. This article explores the effects of air pollution on human health, its sources, and why addressing this issue is critical for public well-being.

What is Air Pollution

Air pollution refers to the presence of harmful substances in the Earth's atmosphere, which can originate from natural processes or human activities. Common pollutants include:​

PM 2.5

Sulfur Dioxide

PM 10

Carbon Monoxide

Nitrogen Dioxide

Ozone

These pollutants are released through industrial emissions, vehicle exhaust, burning fossil fuels, agricultural practices, and even household activities like cooking with solid fuels.

Health Impacts of Air Pollutions

The effects of air pollution on human health are profound and multifaceted. Here are some key areas where its impact is most evident:

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Fine particulate matter (PM2.5) and toxic gases can penetrate deep into the lungs, causing inflammation and irritation. Prolonged exposure increases the risk of developing chronic respiratory conditions such as asthma, bronchitis, emphysema, and lung cancer.

RESPIRATORY DISORDER

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PREMATURE DEATH

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HEART DISEASE

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NEUROLOGICAL EFFECTS

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PREGNACY AND CHID DEVELOPMENT

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