In the largest study of its kind to date, Cambridge researchers have looked at why some people manage to stay thin while others gain weight easily. They have found that the genetic dice are loaded in favour of thin people and against those at the obese end of the spectrum.

Policies aimed at removing sweets and crisps from checkouts could lead to a dramatic reduction in the amount of unhealthy food purchased to eat ‘on the go’ and a significant reduction in that purchased to take home, suggests new research led by the University of Cambridge.