Drs. Widera and Covinsky Urge Caution on Blood-Based Alzheimer’s Biomarkers in Primary Care

Misplaced keys? Forgotten grocery items? Is it more than normal aging that merits an Alzheimer’s biomarker for brain amyloid?  Eric Widera, MD and Ken Covinsky, MD, MPH’s JAMA IM editorial argues that we should be wary of the marketing push for the use of blood-based biomarkers in the primary care setting.