Bob Barker’s death certificate lists his cause of death as Alzheimer’s Disease, the most common form of dementia, with contributing factors of hypertension, hypothyroidism, and hyperlipidemia. Alzheimer’s Disease progressively destroys nerve connections in the brain but doesn’t actually kill you, rather it’s the complications that arise from the disease, such as pneumonia brought on by aspirating food and beverages, according to UCLA Health. The other diseases listed on the death certificate include hypertension, commonly known as high blood pressure, and hypothyroidism, in which the body doesn’t produce enough thyroid hormone, slowing down the metabolism. Barker also had hyperlipidemia also known as high cholesterol.

The death certificate indicated Barker had been diagnosed years before with Alzheimer’s, but gave no specific date of when he first began experiencing symptoms, according to People. “Up until two months before Bob Barker’s passing, he routinely participated in conversation and bedside exercises,” his companion of 40 years, Nancy Burnet, told ABC 7 in a statement. He spent his final days watching reruns of “Two and a Half Men,” according to TMZ.