One of the health risk factors used in our health program to communicate the importance of a healthy lifestyle is air-pollution.
The World health Organization (WHO) defines air pollution as, “contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.”
According to a study on particulate matter, clean air can lengthen our life expectancy by as much as three years.
Researchers studied particulate matter in the air in 51 US cities. They analysed death and population data. They considered:
The researchers found that the cities with the largest reduction in air pollution also had the largest increase in life expectancy.
Air pollution is the cause of many chronic respiratory problems, it is a risk factor for chronic obstructive pulmonary disease(COPD) and respiratory infections in children.
Air pollution increases the risks of respiratory diseases. Long term exposure to air pollution can even increase the risk of dying of strokes and heart disease.
Read about the health effects of air pollution.