Doctor Explains Billy Joel Health Diagnosis

Last month, legendary singer Billy Joel abruptly canceled his tour amid a battle with Normal Pressure Hydrocephalus (NPH). Now, a prominent doctor has offered an explanation of the legendary artist's health diagnosis, offering perhaps a bit of optimism.

During the most recent episode of his podcast "Chasing Life" with CNN, prominent neurosurgeon Dr. Sanjay Gupta provided a bit of an explanation about the condition that Billy Joel is currently dealing with.

"So imagine your brain and...