For the few drugmakers that haven’t given up on the decades-long, elusive quest for a cure of Alzheimer’s disease, each piece of news is a small signpost along a possible path to success—and billions of dollars in potential sales.
Music therapist Heather Davidson (R) embraces June Thorne after holding a drum circle with patients with Alzheimer's disease at the Copper Ridge Care Center in Sykesville, Maryland, on October 23, 2009. Davidson leads a music therapy session for residents of the center each Friday. AFP PHOTO/Saul LOEB Photo credit should read SAUL LOEB/AFP/Getty Images
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