MedlinePlus Medical Encyclopedia: Energy levels

Medical Encyclopedia

Energy levels

Hot weather combined with a lack of enough fluid in the body to carry on normal body functions can lead to dehydration. Severe dehydration can lead to heart failure. It is important to drink plenty of water during physical activity to maintain optimal energy levels and to prevent dehydration.

Update Date: 10/17/2007

Updated by: Caroline M. Apovian, M.D., FACN, Associate Professor of Medicine, Boston University School of Medicine and Director, Nutrition & Weight Management Center, Boston Medical Center, Boston, MA. Review provided by VeriMed Healthcare Network.

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