When the air contains excessive amounts of carbon monoxide, the body replaces the oxygen in red blood cells with this gas, which can cause severe tissue damage or even be fatal. Haemoglobin is a ...

Polycythemia can develop due to a range of factors. High-altitude living, where oxygen levels are lower, prompts the body to ...

Carbon monoxide causes vasorelaxation and is produced naturally as a result of the breakdown of haemoglobin. This can be seen in the healing process of a bruise, where various colour changes ...

While the effects of carbon monoxide poisoning can be severe ... "When it gets into your blood system it attaches to your haemoglobin, it pushes off oxygen so it means it's not easy for the ...