27 Mistakes Healthy People Make

Are these habits putting you at risk for illness or injury down the road?

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You drink too much water

Dehydration is bad. So more water is good, right? That's true, to a point.

But particularly if you're running your first marathon or some other physically taxing, long event it's important to avoid drinking too much water, which could lead to water intoxication (also known as hyponatremia).

Next: You lie to your doctor

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