“Doctors have diagnosed our dad, Jack Hanna, with dementia, now believed to be Alzheimer’s disease,” Hanna’s family wrote in a statement posted to his verified Twitter account.
“His condition has progressed much faster in the last few months than any of us could have anticipated,” the statement read. “Sadly, Dad is no longer able to participate in public life as he used to, where people all over the world watched, learned and laughed alongside him.”
“Jungle” Jack Hanna and his animals became a staple on late-night and daytime TV, thanks to his many appearances on shows like “The Tonight…
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