UK: Health Screening Tests - A Good Idea? More Harm than Good?

Informative BBC 2 Horizion programme - Are Health Tests Really A Good Idea?

"Michael Mosley puts himself through a battery of health tests available to people who feel perfectly well. From an expensive heart scan to a new national screening procedure to detect the earliest signs of bowel cancer, Mosley sets out to discover which if any of the tests are worth doing".