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Don't use thirst alone as a guide for when to drink. By the time you become thirsty, you may already be slightly dehydrated. To ward off dehydration and make sure your body has the fluids it needs, make water your beverage of choice. If you're generally healthy, consider drinking a glass of water with each meal and between each meal, as well as before, during and after exercise. Check with your doctor if you are an older adult and take a diuretic for high blood pressure before increasing your water intake. You may be at risk of having too little sodium in your blood (hyponatremia).
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