<div>A decade of deadlock over Alzheimer's treatment may be drawing to a close</div>

By: Hannah Devlin Science correspondent | <div>A decade of deadlock over Alzheimer's treatment may be drawing to a close</div> | Neuroscience | The Guardian

The next phase of trials for a new Alzheimer’s drug will answer the real question: are brain plaques the root cause of the disease, or just a symptom?

When Terry Pratchett was diagnosed with Alzheimer’s he recalled his wife’s relief that he hadn’t got a brain tumour. “All I could think then was, ‘I know three people who have got better after having a brain tumour. I haven’t heard of anyone who’s got better from Alzheimer’s,’” the late author wrote in 2008.

Nearly a decade on, not much has changed for people facing a new diagnosis of Alzheimer’s. Unlike patients with heart disease, cancer or diabetes, there is no well-trodden medical track to follow and no treatments that can slow the disease’s devastating progress.

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