1 doctor weighed in:

How can carbon monoxide poisoning happen?

1 doctor weighed in
Dr. James Ferguson
Pediatrics

In brief: Exposure

Since carbon monoxide binds stronger to the hemoglobin molecule than oxygen, the presence of any level of carbon monoxide in your environment will eventually poison you if you do not remove it (or yourself).
Combustion like burning gasoline, or other fuels can create it and if this is in a poorly ventilated area, it will linger and rise to toxic levels.

In brief: Exposure

Since carbon monoxide binds stronger to the hemoglobin molecule than oxygen, the presence of any level of carbon monoxide in your environment will eventually poison you if you do not remove it (or yourself).
Combustion like burning gasoline, or other fuels can create it and if this is in a poorly ventilated area, it will linger and rise to toxic levels.
Dr. James Ferguson
Dr. James Ferguson
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