The World Health Organisation has announced Diesel fumes are a cause of cancers.
Quite rightly we should be concerned and quite rightly we shouldn't panic.
The risk is thought to be small compared to, for example, the chances of getting cancer from smoking.
However the risk from traffic created pollution, of which diesel forms a large part, also has other effects apart from causing cancer. It causes heart attacks and strokes (by thickening blood) and also respiratory condistions and chronic illness through it's effects on the lungs.
Indeed the risk to health in the opinion of the