PREVENTION is always preferable to cure and we all have a responsibility to take Sally Rogers’ advice on living as healthily as possible. There is no shortage of information about how to reduce exposure to carcinogens.

What is almost always missing, however, are the carcinogens we cannot avoid of which air pollution is the most ubiquitous.

Addressing this effectively goes much further than life-style and requires political imagination and vision to address the inevitable conflicts of interest, economic and social not to mention international that will be generated.

Paul Thomson

Mobberley