According to a statement posted to Joel's social media accounts, “Billy Joel has announced that he will be cancelling all scheduled concerts following a recent diagnosis of normal pressure hydrocepha...

N.P.H. occurs when excess cerebrospinal fluid accumulates in the brain, causing difficulty walking, trouble controlling one’s bladder and memory problems.

Joel's condition was exacerbated by recent concert performances, leading to problems with hearing, vision and balance, according to the statement.