Non-infectious Diseases
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The health problems related to environmental pollution are considered to be the result of contamination of water, food, and air with toxic chemicals. The resulting diseases are non-infectious. Some non-infectious illnesses associated with toxic chemical pollution have a relatively sudden and sever onset, and the acute or immediate health effects can be readily traced to a specific contaminant. Heavy metals are particularly notorious in this regards. Other non-Infectious diseases may take years to develop and can involve chronic or long-lasting health problems. Generally, various synthetic organic substances cause this type of problem, even in extremely small concentrations. Some organics are considered to be carcinogenic, having the potential to cause cancer in humans.
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