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A new way to diagnose Alzheimer’s offers hope

Knowing, and being able to exercise, your options can be liberating. Perhaps that’s one reason why Alzheimer’s disease is so frightening. It seems to be in control, calling all the shots. There’s nothing you can really do to prevent it. Alzheimer’s has its own timetable. And it has been impossible to diagnose definitively while its victims are alive.

But there is hope on the horizon. A Food and Drug Administration advisory panel has recommended approval of a brain scan that might give doctors a new way to diagnose the disease earlier. Need to Know’s medical correspondent Dr. Emily Senay tells us what we need to know:

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