How Does Carbon Monoxide Kill You?

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Carbon monoxide poisons the body primarily by preventing the body from getting the oxygen it needs. When carbon monoxide is breathed in, it attached to hemoglobin, the molecule that normally carries oxygen in the blood. As more carbon monoxide is breathed in, more of it attached to hemoglobin and less oxygen can be delivered throughout the body.

Carbon monoxide poisoning symptoms can be mistaken for flu symptoms: headaches, dizziness, nausea, weakness, loss of muscle control, shortness of breath, chest tightness, visual changes, sleepiness, fluttering of the heart, redness of the skin, confusion and mild behavioral effects such as slowed reaction times or altered driving skills.

At high levels or during continued exposure, carbon monoxide can cause suffocation, resulting in loss of consciousness, brain damage, or death.

Source: {http://www.health.Ny.gov/environmental/indoors/air/carbon_monoxide_need_to_know.htm}

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