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Lead Stories: Wednesday, December 3, 2008

Exercising in hot weather and the body’s need for salt

Posted May 31st, 2007 at 11:00 AM by Jamal Walker

Section: Nutrition, Hydration, Health & Fitness, Exercise

sports-drinks-athlete.jpgFatigue during hot-weather exercise is caused by lack of water, salt, sugar or calories. Of the four, exercisers are most ignorant of their sodium needs. A study from The University of Otago in New Zealand shows that taking a salty drink prior to competition can help an athlete to exercise longer and harder. (Medicine and Science in Sports and Exercise, January, 2007; and Clinical Journal of Sport Medicine, January 2007).

Athletes who took the salty drink had larger blood volumes and greater endurance. Salt makes you thirsty earlier so you drink more, and salt in your body holds water so you have more water available to meet your needs.
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