Alzheimer’s research reset

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After some costly and disappointing drug trial failures, the field welcomes a funding surge, tools for tracking disease, and interdisciplinary collaborations to tackle one of science’s most stubborn puzzles.

In the last five years, as several large clinical trials testing drugs for Alzheimer’s disease failed, the field came to a stark conclusion: These approaches did nothing to slow down—let alone reverse—the course of the disease once patients already exhibited symptoms of early dementia.