Jack Hanna's Alzheimer's Progression Impacts Memory of Family Members.

Celebrity zookeeper Jack Hanna, who was diagnosed with Alzheimer’s in 2019, no longer remembers most of his own family, according to a report from the Columbus Dispatch. Jack now only remembers his wife Suzi, their dog and his oldest daughter who travels from England to care for him. In 2021, Jack retired from public life due to Alzheimer’s. Alzheimer’s is the most common type of Dementia, according to the Alzheimer’s Association.