Danny Bonaduce to undergo brain surgery for neurological disorder.

Actor and radio show host Danny Bonaduce revealed that he has been diagnosed with hydrocephalus, a build-up of fluid in the brain, after seeing hundreds of doctors regarding a mystery illness. He is set to undergo brain surgery on Monday and hopes it will alleviate his symptoms, which include difficulty walking and balancing. While he doesn't expect to completely regain his mobility, he hopes the surgery will make it easier to navigate his daily schedule.