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Diagnostic tests will soon be available to detect the early warning signs of Alzheimer's, as Anne McIlroy reports in Wednesday's Globe and Mail. These tests may help researchers find new ways to either slow down or stop the progression of the disease.

Still, others question whether people developing the illness will want to know what's in store for them.

What do you think? Would you want to know? What are the philosophical/ethical issue of early diagnoses?

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Join the discussion Wednesday at 1 p.m. with Globe writer Anne McIlroy; Judes Poirier, a researcher at McGill University; and Susan Gustafson, whose husband has dementia.

Participate in the chat by clicking on the panel below, and if you're a mobile user you can click here to take part.

<iframe src="" scrolling="no" height="650px" width="460px" frameBorder ="0" allowTransparency="true" ><a href="" >Would you want to know?</a></iframe>

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