Pulse oximetry guides the management of respiratory conditions through non-invasively monitoring arterial oxygen saturation. Unstable haemoglobin variants may produce inaccurate readings. We describe ...

On Thursday, the Trump administration rescinded the central scientific finding that underpins much of the nation's climate pollution rules, its most aggressive action yet to halt initiatives that ...

In 1994, a woman arrived at a California emergency room in critical condition. Within minutes, medical staff began fainting, experiencing breathing problems, and reporting a strange odor in the air.

Scientists at the University of California, Irvine have discovered that climate change is causing nitrous oxide, a potent greenhouse gas and ozone-depleting substance, to break down in the atmosphere ...