The Grammy-winning singer-songwriter has been battling glioblastoma, an aggressive and often deadly brain cancer, since late 2023. He plans to keep fighting.

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.