Biomarkers for Alzheimer's disease

The research advances incrementally, but clinical use is still years away.

The brain changes that lead to Alzheimer's disease probably begin years, and possibly even more than a decade, before symptoms such as memory impairment appear. For this reason, Alzheimer's researchers have long hoped to find biomarkers — early biological signs of disease pathology — that could help identify people at risk before symptoms develop.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »