Grammy performer faces Alzheimer's
Glen Campbell has weathered career ups and downs. Now he faces his hardest battle yet - Alzheimer's Disease.
01:56 - Source: CNN
Glen Campbell 8 videos
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Grammy performer faces Alzheimer's
01:56
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Glen Campbell dies at 81
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Campbell's wife: 'Glen has become unrehearsable'
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Glen Campbell refuses to succumb to Alzheimer's
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Glen Campbell's last song (2014)
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Springsteen on Alzheimer's: 'I've seen it in every stage'
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INDIO, CA - MAY 02:  Musician Glen Campbell performs during day 1 of Stagecoach, California's Country Music Festival held at the Empire Polo Field on May 2, 2008 in Indio, California.  (Photo by Michael Buckner/Getty Images)
Glen Campbell's most memorable hits
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- Source: CNNMoney