All That Water Advice Just Doesn’t Wash
Re: “Hard to Swallow” (Nov. 20): Swallowing eight glasses of water a day might not be as hard as swallowing all the contradictory advice that we get from health experts.
--ROBERT H. WILLIAMS
Although not trained in medicine or nutrition, I intuitively knew that the advice to drink eight glasses of water per day was nonsense. The advice fully meets three important criteria for being an American health urban legend: excess, public virtue and the search for a cheap “magic bullet.”