Anemia and Blood Biomarkers of Alzheimer Disease in Dementia Development - Takeaways - MDSpire

Anemia and Blood Biomarkers of Alzheimer Disease in Dementia Development

  • By

  • Martina Valletta

  • Davide Liborio Vetrano

  • Chengxuan Qiu

  • Marco Canevelli

  • Edoardo Miccoli

  • Sarah Andersson

  • Claudia Fredolini

  • Giuseppe Bruno

  • Bengt Winblad

  • Laura Fratiglioni

  • Giulia Grande

  • April 17, 2026

  • 0 min

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  • 1

    Anemia affects approximately 10% of individuals aged 65 and older in the US, with prevalence increasing with age.

  • 2

    Anemia is associated with increased dementia risk, potentially due to chronic cerebral hypoxia and oxidative stress.

  • 3

    Blood biomarkers like p-tau217, NfL, and GFAP correlate with Alzheimer's disease pathology and may indicate early neurodegeneration.

  • 4

    The study utilized data from over 2000 older adults to examine the relationship between hemoglobin levels and dementia risk.

  • 5

    Cox proportional hazards regression models were used to analyze the association of baseline hemoglobin levels with incident dementia.

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