Jack Hanna's long goodbye: How Alzheimer's is stripping away the man the world once knew
6:25
Unscripted: Jack Hanna regrets 1972 accident
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A Marriage to Remember | Alzheimer's Disease Documentary | Op-Docs | The New York Times
15:35
Colin Farrell Opens Up About His Son With Angelman Syndrome | PEOPLE
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From 2010: Jan's story - A love lost to Alzheimer's
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The 15 Best Acting Performances of All Time
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Fan Request: Jack Hanna's Giant Owl Escapes | Letterman
21:22
BEST OF THE INTERNET - PART 10
28:19