DUBLIN, Ireland -- A doctor based in Dublin, Ireland, has debunked the idea that a face mask lowers oxygen levels. In fact, he's shown that even wearing several has no effect. This video shows Maitiu ...

BRADFORD, England – An intensive care unit doctor in England ran about 22 miles in a mask to show people that face coverings won’t hinder their oxygen levels. Dr. Tom Lawton says he was upset about ...

A new study about mask wearing during the coronavirus pandemic found that masks don’t cause a person’s oxygen levels to drop.

Researchers have found the first direct evidence that tiny particles of air pollution stick to our red blood cells, meaning ...

A new study suggests that face masks have a negligible negative effect on the levels of carbon dioxide and oxygen that a person breathes. All data and statistics are based on publicly available data ...

Researchers have found the first direct evidence that tiny particles of air pollution stick to red blood cells, meaning they ...