Singer-songwriter Billy Joel was diagnosed with normal pressure hydrocephalus (NPH), a rare disorder that affects the brain. CNN’s Dr. Sanjay Gupta answers a viewer’s question about treatment options ...

Billy Joel's health is at top of mind. The "Uptown Girl" crooner canceled all of his upcoming concerts (including solo shows, ...

Billy Joel has excess fluid in his brain -- a neurologist explains what happens when this protective liquid gets out of balance.