| http://www.w3.org/ns/prov#value | - If confirmed, the results may help scientists understand why some people are more vulnerable to low blood oxygen levels caused by factors other than altitude ??? such as asthma, sleep apnea, heart problems or anemia ??? and point to new ways to treat them, the researchers say.Living with lessLower air pressure at high altitude means fewer oxygen molecules for every breath. ???At 4000 meters, every
|
