obese

Obesity rates have risen sharply over recent decades, with more than a quarter of adults and a fifth of children at the end of primary school classed as obese.

One US study found that obese men with a bachelor's degree earn 5% less than their thinner colleagues, while those with a graduate degree earn 14% less.

Poor and middle-income countries have seen the greatest surge in overweight and obese children.

The number of overweight children - which includes those who are obese - has also increased to the extent that now 1 in five school-age children and adolescents are overweight.

The drugs will be offered to millions of the most obese people on the NHS over the next few years, but experts warn services are already struggling to deal with unprecedented demand.