Women with Fibromyalgia More Likely to Have Low Levels of Iron in the Blood, Study Suggests

Women with Fibromyalgia More Likely to Have Low Levels of Iron in the Blood, Study Suggests
Women with fibromyalgia are more likely to have iron deficiency than women who do not have the disease, a study has found. The study, "Association of ferritin levels with depression, anxiety, sleep quality, and physical functioning in patients with fibromyalgia syndrome: a cross-sectional study," was published in the Croatian Medical Journal. Lack of iron (iron deficiency) in people with fibromyalgia may contribute to chronic fatigue, muscle pain, decreased endurance, and sleep disturbances. It also may lower an individual’s pain threshold, increasing sensitivity to pain, which is one of the hallmarks of the condition. A previous case-control study showed that patients with fibromyalgia had lower levels of ferritin — a protein that is responsible for storing iron in the body — than healthy individuals. Notably, "Serum ferritin concentration (cut-off <30 ng/mL) is the most sensitive and specific test for iron deficiency," the authors wrote. However, no study has explored the potential relationship between low levels of ferritin in the blood and sleep quality among those with fibromyalgia. For that reason, researchers from th
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