New research from Karolinska Institutet, Stockholm University, and the Stockholm Gerontology Research Center reveals the potential of blood biomarkers to predict Alzheimer’s disease (AD) and other dementias in community settings. The study, published in Nature Medicine, analyzed data from 2,148 dementia-free Swedish adults for 16 years, identifying a biomarker signature with strong predictive accuracy over a decade. While the biomarkers excelled at ruling out dementia, their ability to confirm its onset remained limited. The findings underscore the promise of blood-based biomarkers as scalable and minimally invasive tools for early dementia detection, particularly in community-based populations. However, further validation in diverse cohorts is…