Phil Robertson has to "make himself eat" after his Alzheimer's diagnosis and "some sort of blood disease" that has been affecting his overall health.

"Duck Dynasty" star Phil Robertson has been diagnosed with Alzheimer's disease, his son Jase revealed on his "Unashamed with the Robertson Family" Friday.

Chances are you’re probably familiar with Phil Robertson from his time on the hit A&E reality show Duck Dynasty. The patriarch of the Robertson family, Phil was a star quarterback at Louisiana Tech in the 1960s – earning the starting job over future Hall of Famer Terry Bradshaw.

“Duck Dynasty” star Phil Robertson was diagnosed with Alzheimer’s disease amid his battle with a blood disorder, according to his family. The 78-year-old’s health struggles were revealed by his son, Jase, on Friday’s episode of the “Unashamed with the Robertson Family” podcast titled “Phil’s Diagnosis.”