Association Between Iron Deficiency and Dementia Risk: Insights from the AMORIS Population-Based Study in Sweden

1

The study investigates the association between iron deficiency and dementia risk using data from the AMORIS cohort in Sweden.
2

Iron deficiency is prevalent among older adults, with a reported prevalence of 10-50%, and may contribute to cognitive decline.
3

The research distinguishes between absolute and functional iron deficiency, which may influence dementia risk through different mechanisms.
4

The AMORIS cohort included over 812,000 individuals, with 10,211 aged 50 and older having relevant blood measurements for the study.
5

Longitudinal data from the cohort will help clarify the relationship between iron deficiency and the risk of developing dementia.

Bmc Medicine

by Mozhu Ding, Alexandra Wennberg, Stina Ek, Niklas Hammar, Katharina Schmidt-Mende, Karin Modig
April 8, 2026

1