A new study suggests the bare minimum of effort still has a health benefit. Sedentary behaviour can be countered by waving the remote control or indulging in some light scratching in the boxer short region. Rather than ten fruit and veg, multi-coloured Skittles can provide the full spectrum of vitamins we require. One health guru commented: 'My advice to my clients is to focus on a six second fitness plan that can easily repeated. That's why I recommend my new book - 'How to wank into a sock'.'