Minnesota Public Radio slideshow:
New Alzheimer's research: One step forward, one step back
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Actor Charlton Heston, shown here in a 2002 photo, was diagnosed three years ago with Alzheimer's disease. (Photo by LUCY NICHOLSON/AFP/Getty Images)

Actor Charlton Heston, shown here in a 2002 photo, was diagnosed three years ago with Alzheimer's disease.

(Photo by LUCY NICHOLSON/AFP/Getty Images)
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