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 ...

Delhi Congress leaders held a press conference on Wednesday wearing masks and carrying oxygen cylinders to highlight the plummeting air quality in the national capital and demanded that the ruling BJP ...

If you've ever traveled on an airplane, you know that masks can drop down to supply oxygen in the case of an emergency. Airline oxygen masks have about a 15-minute supply and typically fall when an ...

Angry residents wearing masks and carrying oxygen cylinders have taken to the streets of Delhi accusing authorities of ignoring a pollution crisis. Holding placards demanding the right to breathe safe ...