3 February 2016 Last updated at 00:02 GMT
BBC News looks at the amount of sugar found in the kind of food and drink we consume every day.A total of 347 million people worldwide have diabetes and that figure is set to rise to more than half a billion in the next 20 years.
Do you think food companies should pay a "sin tax" for putting sugar in their products? Or is it down to the individual to make healthy choices?
The BBC World Service is hosting a live debate all about diabetes on Friday, 5 February at 13:00 GMT.
A panel of experts will be available to answer your questions live on air, send them to thefoodchain@bbc.co.uk or via Twitter @bbcworldservice #diabetes
SOURCE: BBC NEWS