An article published this week in The Lancet medical journal found that more than half of the world’s population lacks access to safe and affordable medical oxygen services, and most people ...

For now, life is flourishing on our oxygen-rich planet, but Earth wasn't always that way – and scientists have predicted that, in the future, the atmosphere will revert back to one that's rich in ...

Oxygen therapy is lifesaving for people with acute illness, life-sustaining for people undergoing anaesthesia and surgical care, and life-enhancing for people with chronic respiratory failure. The ...

Two scientists from Toho University and NASA’s Nexus for Exoplanet System Science ran computer simulations and found that Earth’s oxygen-rich atmosphere won’t last forever—it will start disappearing ...

ROME — Pope Francis was in critical condition Saturday after he suffered a long asthmatic respiratory crisis that required high flows of oxygen, the Vatican said. The 88-year-old Francis ...

Copyright 2025 The Associated Press. All Rights Reserved. Vatican says Pope Francis in critical condition - AP explains Candles and a photo of Pope Francis are seen ...

Oxidative stress is an imbalance of free radicals and antioxidants in the body that can lead to cell and tissue damage. Evidence suggests that long-term oxidative stress contributes to the ...