Alzheimer's biomarkers may forecast dementia progression in people 80 and older

Cognitive decline in very old adults has been considered for decades to be an almost inevitable consequence of aging.

In clinical practice, this has contributed to many memory problems in patients over age 80 being interpreted as a natural part of aging, without further investigation into their cause.

However, this view is increasingly being challenged as knowledge of neurodegenerative diseases advances and more accurate tools for their detection become available. ...