15 Signs You May Have an Iron Deficiency
Your head hurts
An iron-deficient body will prioritize getting oxygen to your brain before it worries about other tissues, but even then, your noggin will still get less than it ideally should, Dr. Berliner says. In response, the brain's arteries can swell, causing headaches, according to the National Headache Foundation. Related: 21 Natural Headache Remedies
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