The family of Jack Hanna, the legendary animal advocate and talk show guest, revealed in a new interview that the beloved zookeeper has Alzheimer’s disease. Hanna rose to national prominence ...

A modified psychedelic found in the venom of a poisonous toad could be an effective treatment option for depression and anxiety, a new study published this week in the journal Nature found. Recent ...

The zoo is collecting letters to send to the Hanna family. People close to the family says going to the mailbox is one of Jack’s daily activities he enjoys.

Jack Hanna, the famous zookeeper who led the Columbus Zoo, has reached an advanced stage of Alzheimer's disease.

Jack Hanna, the famous zookeeper who led the Columbus Zoo, has reached an advanced stage of Alzheimer's disease.