Could simple blood tests improve Alzheimer’s diagnosis in the future?

Diagnosis of Alzheimer’s disease has relied on cognitive symptoms until recently. While brain imaging scans and cerebrospinal fluid assays can be used for Alzheimer’s diagnosis, these methods are expensive, invasive, or not easily accessible. Technological advances have finally led to the development of ultra-sensitive blood-based biomarkers that could allow early and inexpensive diagnosis and follow-up. While these blood-based biomarkers could transform routine clinical care and…