Mary, you're right up to a point. That's why I put a lot of "really"s in. It's a bit like how we tend to look left and right before crossing the road; just improving the odds. Not too many just march across without looking.

I can give examples of health improved, and sickness avoided by care and attention.

As for accidents, there are accidents and accidents. And a lot more to it than simply deferring to accidents. Which is not to day there's no such thing, he added gnomically.


   Ivor