Breathing 100% pure oxygen for more than 16 hours can lead to irreversible lung damage, damage to the retinas, and eventually, death.

Why does breathing pure oxygen kill you? Asked by: Jane Hawke, Bournemouth Our blood has evolved to capture the oxygen we breathe in and bind it safely to the transport molecule called haemoglobin. If you breathe air with a much higher than normal O2 concentration, the oxygen in the lungs overwhelms the blood’s ability to […]

Breathing 100% pure oxygen for more than 16 hours can lead to irreversible lung damage, damage to the retinas, and eventually, death. Read More »