Sentences with phrase «high oxygen tension»
This water photolysis must have happened to the primordial Earth, with loss of Hydrogen to space but it was stopped, as it is today, by the presence of ozone (O3) which requires high oxygen tension to form and it quickly reoxidises hydrogen via OH hydroxyls back to water.
http://www.realclimate.org/ Not exact matches
Similarly, certain mtDNA variants are enriched in Tibetan populations, suggesting that mtDNA variation may permit adaptation to the low oxygen tension at high altitude.
Whether staying hydrated reduces other types of headaches, including tension headaches, isn't clear, but keeping your blood volume high helps deliver more oxygen to the brain.