imperial

Prof Neena Modi, professor of neonatal medicine at Imperial College London, said: "This will disadvantage groups such as women who are sensitive to gluten, eat rice in preference to bread, and products made from wholemeal flour - excluding them and their babies from benefiting, and thus adding to the considerable health inequities that already exist in the UK."

Prof Hashim Ahmed, chair of urology at Imperial College London, says: “We need to screen 570 men to prevent one death - that’s a lot of men to counsel.”

He collected the items - mostly of imperial quality - in Europe, Japan, Hong Kong and China.

“We’re not going to have a fence that stretches from Brownsville to Imperial Beach, but you’re definitely going to be plugging the gaps in key areas of Arizona, California and Texas,” he said.

Prof Nick Hopkinson, professor of respiratory medicine at Imperial College London, said varenicline was the "most effective smoking cessation medication".