Hydration can significantly impact your physical health, study finds

“The most impressive finding is that this risk (for chronic diseases and aging) is apparent even in individuals who have serum sodium levels that are on the upper end of the ‘normal range,’” said Richard Johnson, professor at the University of Colorado School of Medicine, via email. He was not involved in the study. “This challenges the question of what is really normal, and supports the concept that as a population we are probably not drinking enough water.”