SOURCES:Mayo Clinic: “Dehydration.”Johns Hopkins Medicine Health Library: “Dehydration and Heat Stroke.”Medscape: “Dehydration in Geriatrics: Prevention and Treatment,” “Dehydration Treatment & Management.”American Council on Exercise: “Electrolytes: Understanding Replacement Options.”NHS Choices: “Dehydration – Prevention.”Journal of Nutrition, Health & Aging: “Preventing and Treating Dehydration in the Elderly during Periods of Illness and Warm Weather.”University of Utah Health: “How to Prevent Dehydration.”