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Write a report to explain your findings about how pollutants affect the health of humans.

Dear Student

Effect of Water pollution:
•  Draining industrial waste into water bodies spoils the quality of water. Presence of elements such as Mercury, Cadmium, etc in water bodies have a drastic impact on our health.
• Domestic waste also causes water pollution. Untreated Sewage when discharged into water bodies may also cause diseases such as Typhoid, Diarrhea, Cholera.


Ill effect of noise pollution:

  • Loud and unwanted noise can damage psychological health.
  • Noise can cause annoyance and aggression.
  • Persistence loud noise can cause hypertension, high stress levels, hearing loss.
  • It hinder during sleep.
  • It may increase the heart rate, decreased output, constriction of vessels and impaired vision.
  • In case of animals it can affect the heart, liver and brain

Effect of air pollution:
• Air pollution may cause several diseases including Asthma, Bronchitis, etc
• It may cause Respiratory diseases such as breathing difficulties as well as cancer.

Regards

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Pollutants enter our body through nose and mouth and they slowly spread throughout our body and they cause dust allergy to us
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Air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. It has a number of different emission sources, but motor vehicles and industrial processes contribute the major part of air pollution. According to the World Health Organization, six major air pollutants include particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. Long and short term exposure to air suspended toxicants has a different toxicological impact on human including respiratory and cardiovascular diseases, neuropsychiatric complications, the eyes irritation, skin diseases, and long-term chronic diseases such as cancer. Several reports have revealed the direct association between exposure to the poor air quality and increasing rate of morbidity and mortality mostly due to cardiovascular and respiratory diseases. Air pollution is considered as the major environmental risk factor in the incidence and progression of some diseases such as asthma, lung cancer, ventricular hypertrophy, Alzheimer's and Parkinson's diseases, psychological complications, autism, retinopathy, fetal growth, and low birth weight. In this review article, we aimed to discuss toxicology of major air pollutants, sources of emission, and their impact on human health. We have also proposed practical measures to reduce air pollution in Iran.
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