India, Aug. 15 -- Actor Kelley Mack, known for her roles in The Walking Dead, Spider-Man: Into the Spider-Verse, and Chicago Med, died on August 2, 2025, at the age of 33 due to complications from a rare brain cancer called diffuse midline glioma (DMG). This aggressive tumour affects the central nervous system, specifically the brainstem, thalamus, or spinal cord. Also read | Neurosurgeon explains how to recognise a brain stroke: Most common warning signs, symptoms and what to do immediately

In an August 8 Instagram post, Dr Jay Jagannathan, a neurosurgeon, discussed Kelley Mack's death due to gliomas, which are tumours originating from glial cells in the central nervous system. He highlighted different types, such as astrocytomas, clari...