A new dementia test raises more questions than answers

A 5-minute assessment on an iPad could transform how we screen for dementia—or overwhelm the health care system with worried test-takers. Photo: Pexels

(Amit Katwala/ Wired) — Neurodegenerative diseases like dementia and Alzheimer’s are more feared than cancer and heart disease combined, according to a 2016 survey, and one of the most frightening things about them is how little we still know. There are no cures, and few effective treatments.

So you might question the benefits of a 5-minute test that can assess your risk of getting dementia before you show any symptoms. The Integrated Cognitive Assessment (ICA) test, developed by the British startup Cognetivity Neurosciences, has been granted Food and Drug Administration clearance to be marketed in the United States and is being trialled at several NHS trusts in the UK. But is there any point in taking a test for a disease you can’t do anything about? (…)

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