Billy Joel 's shocking admission that he twice attempted suicide in his early 20s, along with his recent brain disorder diagnosis , have raised concerns and worry for the Piano Man's health, RadarOnline.com can report.

The 76-year-old has been grappling with memory loss and has now announced the cancellation of all his upcoming concerts due to a diagnosis of normal pressure hydrocephalus (NPH). Article continues below advertisement

During the Tribeca premiere of the new documentary, Billy Joel: And So It Goes, the legendary singer revealed he tried to take his life after he had an affair with the wife of his friend and former Atilla bandmate Jon Small.

At the time, Joel was living with Small, his wife Elizabeth Weber, and their young son. Joel would eventually marry Weber, b

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