![NutritionFacts.org Video Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/072/375/small/nutritionfacts-org-video-podcast.jpg)
Summary: The brain shrinkage associated with dehydration may not only play a role in cognitive impairment, but also in levels of energy, alertness, and happiness.
Summary: The brain shrinkage associated with dehydration may not only play a role in cognitive impairment, but also in levels of energy, alertness, and happiness.