Kidney Stones
But if you’re in towns like Portland, Oregon; Cleveland; or New York City, where average highs are in the mid or upper 80s, you might not think hydration is much of a worry.
Kidney specialists have discovered that in addition to all the standard symptoms of dehydration (cramping, heart palpitations, dizziness, infrequent urination and dark yellow urine), when temperatures jump to 86 F or higher, so does your risk of kidney stones.
So how much water should you drink when you’re active on a hot day? Start with 16 ounces about an hour before you head out, and another glass 15 minutes right before you get going. Then drink 16 ounces every 30-60 minutes, depending on the temperature, your age, weight and activity.
And you should urinate copiously 3-4 times a day; less indicates you’re taking in too little liquid. Also, replace electrolytes: Take a break to eat a banana (400 mg of potassium) and add a pinch of salt to your water if you’re out for more than 90 minutes.
Take in added calcium with nonfat, sugar-free yogurt, and at all times (except after you take a multivitamin!) your urine should be a pale, light, clear color. If it’s dark and cloudy, start drinking cool water immediately. Stay clear of kidney stones in hot weather.
via Blogger http://bit.ly/1vJiI13
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