The number of people diagnosed with Diabetes in London is increasing.
More than 20,000 people were diagnosed with the condition in the last year taking the total number to 452,000.
It's also estimated that around 143,000 people in the capital are undiagnosed as symptoms can often take up to 10 years to manifest.
The charity, Diabetes UK, is urging people to watch their diet and do more exercise.
Funmi Olutoye has this report.