CHILDREN should be weighed annually from the age of two to help prevent obesity, Oxford researchers have said.

A new study from Oxford University and the University of Manchester suggest adult BMI can start to be predicted in some children when they are just a few years old.

Read again: One in five Oxfordshire children classed as obese

A significant number of UK children may be a healthy weight or underweight when they start primary school but go on to develop obesity, the authors said.

This means some groups of children may slip through the net and not benefit from early intervention.