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Eleftheria Kodosaki, Research Fellow in Neuroimmunology, UCL

Alzheimer's disease blood tests: here's what they look for, and what they can tell you about your risk

Blood tests would offer a faster, less invasive way of diagnosing Alzheimer's disease. angellodeco/ Shutterstock

Despite affecting 55 million people worldwide, Alzheimer’s disease still has no cure. But recent advancements in the field have seen a number of promising drugs that can slow the disease’s progression pass late-stage clinical trials.

The catch with these types of drug is that they’re most effective when taken soon after symptoms begin. Unfortunately, current diagnostic techniques may not catch Alzheimer’s early enough for these drugs to have a marked effect.

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