Billy Joel's daughter Alexa Ray Joel says her father is showing resilience battling brain disorder NPH with lifestyle changes ...

Though it can happen at any age, normal pressure hydrocephalus is most common in older adults. It is most often diagnosed through a combination of neurological testing and brain imaging.

Doctors may also do what’s called a lumbar puncture to drain the excess fluid. If the person’s symptoms improve, the condition is often diagnosed as normal pressure hydrocephalus, or NPH.

Normal pressure hydrocephalus is a condition caused by a buildup of cerebrospinal fluid in the ventricles of the brain, Johns Hopkins School of Medicine explains.

Billy Joel has canceled his upcoming shows after being diagnosed with a brain disorder known as normal pressure hydrocephalus, according to an online message posted on his behalf.

Normal pressure hydrocephalus is a condition caused by a buildup of cerebrospinal fluid in the ventricles of the brain, Johns Hopkins School of Medicine explains. Such a buildup could be the ...