JOE BIDEN could scupper a US-UK trade deal in favour of the Transatlantic Trade and Investment Partnership (TTIP) with the EU if he becomes US President, a scholar has claimed.

'It is hard to predict how full Brexit would play out, because this scale of multiple simultaneous renegotiations of global trade agreements is unprecedented – and no country has ever left the EU. It certainly can’t be assumed that Britain is bound to get quick and good deals because it is a large economy.'

'The Brexiters have no more idea in private than they do in public about what they are doing. Predictions based upon their concealed intent project on to them a competence they simply don’t possess.'

Confidential documents cannot be revealed until five years after a deal is in force.

As the EU referendum grows ever closer, Lord Darzi, Elias Mossialos and colleagues seek to redress a lack of evidence on the role of the union on our health system.