By Nancy Lapid
(Reuters) – The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
Breathing with face masks does not affect the lungs
The average face mask may be uncomfortable but does not limit the flow of oxygen to the lungs, even in people with severe lung diseases, researchers say. They tested the effect of wearing surgical masks on gas exchange – the process by which the body adds oxygen to the blood while removing carbon dioxide – in 15 healthy physicians and 15 military veterans with severely impaired lungs via a quick paced six-minute walk on a flat, hard surface. Oxygen and carbon dioxide levels in the blood were measured before and after the walking test. Neither the healthy doctors nor the patients with diseased lungs showed