It is not unusual for two television companies to come up with the same programme idea. It is surprising, though, when both programmes have almost the same title – and turn up in the same week.On Tuesday, Channel 4 brought us Doctor in Your House. On Thursday, BBC1 broadcast the first of a three-part series, Doctor in the House. In both, a personable male GP examined the health of a comfortable middle-class family by spending a night in their house, talking to them across the kitchen table, subjecting them to tests, and then prescribing a range of lifestyle improvements.While one family were white and the other Asian, the pattern of health was similar. In both, the husbands had potentially serious health problems but, typically of men, had failed to address them. The wives, meanwhil