Sep.27, 2009 Health and Fitness Tags : Boston Marathon, Brain Cells, Brain Damage, Coach Tom, Drinking Too Much Water, drinking water, Electrolyte Imbalance, Electrolytes, exercise, Extreme Cases, fitness, Fitness Coach, Gallon Jug, Gallon Milk Jug, Grand Canyon Hikers, health, high blood pressure, Hypothyroidism, Manfredi, Marathon Racers, Ounce Glasses, Plain Water, Reading Articles, Strenuous Hike Related Posts:Exercise – Are You Getting Enough?Walking for HealthThe Hypertension and Exerci