Key Highlights
- Brad Arnold died on February 7, 2023, at the age of 47.
- He was diagnosed with stage 4 renal cell carcinoma in May 2025.
- Arnold was the founder of 3 Doors Down, known for hits like 'Kryptonite.'.
- He wrote 'Kryptonite' at the age of 15 while in algebra class.
- The band's first album, The Better Life, was released in February 2000.
