What is Carbon Monoxide Poisoning?

Carbon monoxide is a colorless, odorless and tasteless gas or CO is known to be a Silent Killer. It is produced by burning material that contains carbon. Carbon monoxide affects plants, animals and human, and can cause death to anyone who suffered from prolonged exposure. CO poisoning is actually believed to be responsible of more than half of all the poisoning deaths worldwide. In the United States alone, incidents of carbon dioxide poisoning reported in health care facilities reach about 40,000 yearly, and killing 2,500 Americans, according to the CDC or Centers for Disease Control.

How does carbon monoxide poisons?
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What are the sources of carbon monoxide?
What are the symptoms of carbon monoxide poisoning?