What is carbon monoxide?

Carbon monoxide (CO) is a colorless and odorless gas because you can't see, taste or smell it, it can affect you or your family before you even know it's there. Even at low levels of exposure, carbon monoxide can cause serious health problems. CO is harmful because it will rapidly accumulate in the blood, depleting the ability of blood to carry oxygen.

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1. How can I eliminate sources of carbon monoxide from my home?
2. What is carbon monoxide?
3. Where does carbon monoxide come from?