A new type of blood test can detect a hidden toxin behind Alzheimer's disease years before a patient shows any symptoms of memory loss or confusion.
Clumps of proteins surrounding neurons in the brain are associated with the development of Alzheimer's.If the proof-of-concept can be further tested and scaled, the test could significantly speed up diagnosis, giving millions of patients answers and access to proper care long before their disease progresses.
In other words, extracellular Aβ plaques in the brain aren't necessarily toxic in and of themselves, but they might stem from notoriously difficult-to-detect molecular toxins. Researchers first tested SOBA on 310 participants' blood plasma. Some participants showed mild cognitive impairment or Alzheimer's disease, while others were in good cognitive health.
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