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iVillage.com: How to Treat Beauty Disasters

11 of 16

Is Your Hair Thinning and Head Spinning?

If your hair is patchy and you’re struggling with dizziness or other weird symptoms, try laying off the vitamin A. There’s no question that this nutrient is essential for good health -- for starters, it strengthens your immune system and protects your vision -- but getting more than 20,000 international units (IU) daily can trigger patchy hair loss, plus symptoms like dizziness, blurred vision, ear ringing, nausea, diarrhea, skin rashes and joint pain, say researchers at New York’s Nassau County Medical Center

Rx: Check the labels

The ideal dose is 10,000 IU daily, max. Double-check your vitamin ingredients just to be sure, suggest UCLA researchers. Turns out many multivitamins and other combination formulas have 10,000 IUs per pill, so your daily dose can really rack up fast.

(CREDIT: T. Tuzj/Flickr/Getty Images)
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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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