MedlinePlus Medical Encyclopedia: Energy levels

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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: 12/22/2005

Updated by: William McGee, M.D., M.H.A., Assistant Professor of Medicine and Surgery, Tufts University School of Medicine, Boston, MA, and Director of ICU Quality Improvement, Critical Care Division, Baystate Medical Center, Springfield, MA. Review provided by VeriMed Healthcare Network.

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