UVA recently opened a clinic to treat the condition, which is a relative increase in fluid in the brain that can cause neurological problems.

Dr. Jon LaPook joins "CBS Mornings Plus" to explain normal pressure hydrocephalus, the rare brain condition impacting Billy Joel's vision, balance and memory, and why it's often mistaken for Alzheimer's or Parkinson's disease.

Singer-songwriter Billy Joel’s upcoming tour dates have been canceled as he seeks treatment for normal pressure hydrocephalus, a condition that affects the brain. Symptoms might resemble dementia but it can be treated.