Off Your Mental Game? You Could Be Mildly Dehydrated

Source: NPR.org Was it hard to concentrate during that long meeting? Does the crossword seem a little tougher? You could be mildly dehydrated. A growing body of evidence finds that being just a little dehydrated is tied to a range of subtle effects — from mood changes to muddled thinking. “We find that when people are mildly dehydrated they really don’t do as well on tasks that require complex processing or on tasks that require a lot of their attention,” says Mindy Millard-Stafford, director of the Exercise Physiology Laboratory at Georgia Institute of Technology. She published an analysis of the evidence this month, based on 33 studies. Heat Making You Lethargic? Research Shows It Can Slow Your Brain, Too How long does it take to become mildly dehydrated in the summer heat? Not long at all, studies show, especially when