Air pollution is the presence of noxious substances in the air that we breathe. National agencies and organizations report the following:
The health effects on people because of air pollution are numerous. Air pollution levels are associated with increased respiratory health problems, including asthma. According to the Healthy People 2020, which identifies 10-year national objectives for improving the health of all Americans, air pollution is linked to premature death, cancer, and long-term damage to the respiratory and cardiovascular systems.
Preventing air pollution is a major project of public health and environmental agencies.
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Online Resources of Environmental Medicine