Q/Lead pollution and its effect on human health
Answers
Air pollution causes around seven million deaths a year worldwide. Growth and concentration of the population in cities, as well as the way in which we consume energy in urban areas through transport or heating and air conditioning systems, among others, result in the emission of huge quantities of gases that are harmful to our health. Main causes of air pollution Emissions from different transport modes, the burning of fossil fuels, industrial production, forest fires, aerosol use and radiation fare some of the main causes of air pollution. Such sources of emissions liberate gases and substances that are toxic for human beings, the most harmful of which are: tropospheric ozone (O3), sulphur dioxide (SO2), nitrogen dioxide (NO2), benzo(a)pyrene (BaP) and suspended particulate matter (PM). How does air pollution affect our health? Our physical and psychological wellbeing is affected differently by the kind of air pollution we are exposed to. There are many organs and bodily functions that can be harmed, the consequences including: Respiratory diseases Cardiovascular damage Fatigue, headaches and anxiety Irritation of the eyes, nose and throat Damage to reproductive organs Harm to the liver, spleen and blood Nervous system damage.
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