He also underwent another brain surgery in January 2024. In the interview published April 30, Bolton said he finished radiation and chemotherapy in October and his most recent scan was clear in early April.

His daughter, Taryn, talked to People, too, and she revealed that the singer displayed several symptoms in the days leading up to his diagnosis. One of the signs that she said was “super weird,” came during a bowling outing in 2023. She said her father bowled out of turn three times.

Michael Bolton is sharing new details about a somber health diagnosis he’s been navigating over the last year and a half.In a new interview with People, the singer revealed that he has glioblastoma, a form of brain cancer that the Cleveland Clinic defines as the “most common type of malignant (cancerous) brain tumor in adults.