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Proper hydration and hyponatremia
Posted on Mar 27th 2008 10:00AM by Kristen SeymourFiled Under: Fitness, Nutrition & Supplements
For most of us, it's getting warmer out, and for many of you that probably means long runs, walks, bike rides, and hikes. Some of you are also probably gearing up for race season -- there are some fantastic marathons coming up, as well as halfathons, triathlons, 10Ks, etc. All of this means that you're going to need to drink lots of water.
But wait! If you've been here at That's Fit for a while, you've already read that drinking too much water during exercise can be harmful, even fatal. It's a serious issue that warrants revisiting as the summer sun starts heating up.
Over-hydration, or hyponatremia, occurs when you take in more water than your kidneys can excrete because you've been sweating out lots of salt and you're replacing it with plain water (which is why sports drinks are used during long-distance runs and major workouts). Unless you're embarking on a serious workout, like an endurance race or a long hike, you'll probably be fine, but listen to your body -- make sure you're drinking plenty of water to stay hydrated, but not too much. Check out this post on FitSugar for warning signs of hyponatremia.
But wait! If you've been here at That's Fit for a while, you've already read that drinking too much water during exercise can be harmful, even fatal. It's a serious issue that warrants revisiting as the summer sun starts heating up.
Over-hydration, or hyponatremia, occurs when you take in more water than your kidneys can excrete because you've been sweating out lots of salt and you're replacing it with plain water (which is why sports drinks are used during long-distance runs and major workouts). Unless you're embarking on a serious workout, like an endurance race or a long hike, you'll probably be fine, but listen to your body -- make sure you're drinking plenty of water to stay hydrated, but not too much. Check out this post on FitSugar for warning signs of hyponatremia.
