Shaun Ryder: The 'nutty behaviour' stems from ADHD
Shaun Ryder: The 'nutty behaviour' stems from ADHD Happy Mondays singer says he always knew 'something wasn't quite right' after being diagnosed with ADHD last year Shaun Ryder is calling for better understanding of ADHD in schools. Shaun Ryder says his "nutty behaviour" throughout his career as a pop star was the result of undiagnosed attention deficit hyperactivity disorder (ADHD). The Happy Mondays singer, 58, earned a reputation as a prankster and trouble-maker during his late 80s and early 90s heyday and was at one time banned from appearing live on Channel 4 after a sweary appearance o...