Birmingham named whiplash capital of UK: why?

Sarah Coles
motorway Birmingham
motorway Birmingham

Rui Vieira/PA Wire

A study has named Birmingham's B8 postcode as the whiplash capital of the UK. In fact, the six postcodes where drivers are most likely to make a claim for whiplash on their insurance are based in England's second city.

So do they breed particularly weak necks in the Midlands, or is there something much more alarming going on?