Billy Joel recently underwent a procedure to treat his brain condition. The "Vienna" singer shared that he had a shunt implanted in his brain after being diagnosed with normal pressure...
Source: [E! Online](https://www.eonline.com/news/1435906/billy-joel-gets-brain-shunt-after-hydrocephalus-health-diagnosis?cmpid=rss-syndicate-genericrss-us-top_stories)