8 Warning Signs of High Blood Sugar

4. Headaches

Headaches in themselves are not the most harmful out there, but they do represent that something is internally wrong. One sign of something being wrong is that your now persistent headaches are due to high blood sugar. Maybe you never used to get headaches all that much, but this could be a sign of elevated glucose. While every headache does not indicate diabetes, be mindful that a headache can be the cause of dehydration, over exertion, sensitivity to light, and other causes.

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