The scientific guide to stockpiling food for a ‘no deal’ Brexit

Tinned carrots may be on the 'no deal' Brexit menu

Tinned carrots may be on the “no deal” Brexit menu

Hein van den Heuvel/Getty

Water. Baked beans. A shotgun? Many people occasionally wonder about what they should stockpile to prepare for the collapse of civilisation, but don’t get round to doing anything about it.

It’s usually the kind of idle speculation that occurs late at night after watching one too many zombie movies. But now the question has become somewhat more pertinent for people in the UK, where the government has announced it is taking steps to make sure the country has enough food if there …