The singer canceled his upcoming concerts because of the brain disorder. Here’s what to know about the symptoms, prognosis and treatment.

Billy Joel has announced that he will be canceling all scheduled concerts after being diagnosed with normal pressure hydrocephalus. Here's what to know about the condition.

Singer Billy Joel said Friday he was recently diagnosed with normal pressure hydrocephalus, a brain disorder. He said it's affected his hearing, vision and balance.The brain disorder can cause problems with walking,