A Grammy-winning singer and his family have revealed the surprising early symptoms of his brain cancer. Michael Bolton, who was diagnosed in December 2023 with glioblastoma — the most aggressive and fastest-growing form of brain cancer — first exhibited signs that something was amiss the month prior,

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