Famed Animal Expert Jack Hanna Diagnosed with Dementia, Believed to Be Alzheimer's Disease

Former Columbus Zoo and Aquarium director Jack Hanna, a famed animal expert who has appeared on countless television programs and talk shows over the years with various wild animals, has been diagnosed with dementia, “believed to be Alzheimer’s disease,” his family announced. The 74-year-old’s family announced the news in a letter, telling fans, “Sadly, Dad [...]