Billy Idol believes he may have become a drug addict due to undiagnosed ADHD.
The Rebel Yell singer - whose years of excess and struggles with addiction are documented in new documentary Billy Idol Should Be Dead - has spoken openly about his dependency on heroin and other illegal substances, and after his son William was diagnosed with Attention Deficit Hyperactivity Disorder as a child, Billy has pondered whether his offspring inherited the neurodevelopmental brain disorder from him.
