Correction: an earlier version of this podcast misstated the phosphorylated tau analyte measured by the Roche blood biomarker test. It is p-tau181, not p-tau217.

In this week's roundup, JAMA Medical News Director Jennifer Abbasi and Lead Senior Staff Writer Rita Rubin discuss "Alzheimer Disease Blood Test Cleared for Primary Care, but Questions Remain About Its Use" and more.

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