Billy Joel shared an update on his health nearly two months after he announced he had been diagnosed with a brain disorder.

Millions of people worldwide suffer from hydrocephalus, or a buildup of excess cerebrospinal fluid in the brain, and which ...

“They call it a brain disorder, so it sounds scarier than how I actually feel,” Joel said, trying to keep the mood light. “It’s still being worked on. I’m having some trouble with balance." ...