Anxiety linked to rising amyloid-beta levels

  • A study found an association in healthy older adults between higher amyloid beta levels and worsening anxiety.

Data from the Harvard Aging Brain Study found that higher amyloid beta levels were associated with increasing anxiety symptoms in cognitively normal older adults. The results suggest that worsening anxious-depressive symptoms may be an early predictor of elevated amyloid beta levels.

The study involved 270 cognitively healthy older adults (62-90). For five years, participants were annually assessed for depression, apathy-anhedonia, dysphoria, and anxiety.

https://www.eurekalert.org/pub_releases/2018-01/bawh-aa011118.php

Reference: 

Donovan et al. 2017. Longitudinal Association of Amyloid Beta and Anxious-Depressive Symptoms in Cognitively Normal Older Adults. The American Journal of Psychiatry DOI: 10.1176/appi.ajp.2017.17040442

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