Billy Joel has opened up for the first time about the brain disorder that forced him to cancel all upcoming performances and tour dates. The music icon, 76, was diagnosed with Normal Pressure Hydrocephalus (NPH) in May. The rare disease can cause problems walking, which is especially problematic for a performer like Joel.

Billy Joel is sharing a health update months after the cancellation of his tour, which was the result of his being diagnosed with normal pressure hydrocephalus (NPH), a condition that affects the brain.