The study investigates the effects of iron on brain structure and function in healthy aging. As a participant you will be tested 3 times now (baseline) and in 3 years (follow-up).

The studie includes:
(1) Blood sampling from the arm at the Aging Research Center, Stockholm (30 minutes)
(2) Cognitive testing (memory) at the Aging Research Center (2 hours)
(3) Magnetic Resonance Imaging of the brain at Karolinska Hospital in Solna (3 hours)
For more information on inclusion and contact information: http://ki.se/en/research/healthy-participants-for-a-study-on-brain-iron