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Photographer: Diggy LloydNo Restrictions: Internal and Editorial use approved. OK for Native and co-branded use.

Headbands have made a comeback since the Blair Waldorf era, and we can't deny they're serving up looks — and for some, headaches, too.

But, what you might not have known is that headbands can actually cause two types of headaches: tension headaches and migraines brought on by allodynia.

According to Dr. Molly Rossknecht, MD, a neurologist and medical adviser to WeatherX, allodynia is the triggering of a pain response by a non-painful stimulation, causing a dull, achy, sharp, or burning discomfort around the head. And get this: headbands (and hats!) can induce this condition whether they are tight-fitting or light and loose!

Those prone to migraines can also be prone to having allodynia, noted Dr. Rossknecht.

Once a migraine begins, one may experience associated symptoms like light and sound sensitivity, nausea, and vomiting.

If a headband is too tight around the hairline or pulling on the scalp or forehead for multiple hours, it could also cause a tension headache, Dr. Rossknecht explained. With tension headaches, the irritation is usually focused in a band-like fashion wrapping around the forehead, sometiRead More – Source