Blood Lead, Cadmium Tied to Higher Tinnitus Risk - Takeaway - MDSpire
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Blood Lead, Cadmium Tied to Higher Tinnitus Risk

Large NHANES analysis links higher blood lead and cadmium levels with tinnitus prevalence in US adults.

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  • 1

    Elevated lead and cadmium levels linked to tinnitus risk.

  • 2

    16% of participants reported tinnitus symptoms.

  • 3

    Blood lead quartile analysis shows increased odds.

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    Cadmium’s increased risk observed in highest quartile only.

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    Nonlinear relationships found for mercury and selenium.

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    Ethnicity modifies association strength.

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    Suggests biological mechanisms for findings.

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    Causal inferences not established due to cross-sectional design.

Original Source(s)

Blood Lead, Cadmium Tied to Higher Tinnitus Risk

  • by Kerri Miller

  • April 8, 2026

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