Episode · Second Opinion
Before You Take That Alzheimer's Test, Ask This Question
19 Jul 2026 · 5 min
Episode notes
New Alzheimer's blood tests are accurate, available, and increasingly advertised — but for healthy people, a positive result is rarely useful.
Podcast
Second Opinion
<p>An examination of medical ethics and the practitioners who define them. Sign up to receive the Second Opinion topics in newsletter form at kcrw.com/newsletters .</p>
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