Sentences with phrase «variability in healthy persons»

Heart rate variability in healthy persons, a measure of cardiac nervous system function, has been shown to be unaffected by cellphone use.

Not exact matches

This is not necessarily the exact amount of water you yourself will need — the IOM points out, «Given the extreme variability in water needs that are not solely based on differences in metabolism, but also in environmental conditions and activity, there is not a single level of water intake that would ensure adequate hydration and optimal health for half of all apparently healthy persons in all environmental conditions... the AI [Adequate Intake] does not represent a requirement; it is an amount that should meet the needs of almost everyone in the specific life stage group under the conditions described.»