Low Iron Levels May Be Linked to Hearing Loss

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Hearing loss may be linked to iron deficiency anemia — a combination of low levels of iron and red blood cells, new research suggests.

The study found that people with iron deficiency anemia have more than twice the rate of hearing loss as people without the blood disorder. The association between hearing loss and iron deficiency anemia was particularly strong for two types of hearing loss — one called sensorineural and combined sensorineural and conductive hearing loss.

For now, researchers say it’s too soon to tell if that would happen, and they aren’t recommending that people with hearing loss get blood tests for anemia.”There is currently no evidence to confirm that treating iron deficiency anemia will improve hearing health,” said study author Kathleen Schieffer. She’s a graduate student at the Pennsylvania State University College of Medicine in Hershey, Pa.

The findings only show a possible connection between iron deficiency anemia and hearing loss, she said. They don’t prove that one causes the other.

Still, Schieffer said, the study authors want to understand whether treating the blood condition will help improve or prevent hearing loss, particularly since iron deficiency anemia is a common and treatable condition in the United States. The study authors pointed out that the inner ear is very sensitive to changes in blood supply, so it’s possible that the lack of oxygen in the blood of people with iron deficiency anemia might affect the inner ear.

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