Contrary to the widely held belief that cognitive function starts to decline in the mid-forties, a new study finds that aging does not correlate with a decrease in the ability to make logically consistent decisions. That’s the conclusion of Healthy Brain, Healthy Decisions: The MetLife Study of Decision-Making Potential .
Researchers from Saarland University and Siemens Healthcare report that a new blood test can accurately discriminate between healthy people and patients with Alzheimer’s disease. It’s hoped the non-invasive and relatively cheap test could one day help with diagnosis. The research is published in the open access journal Genome Biology .