China the highest number of diabetics in the world
5 September 2013 Last updated at 12:05 BST
A study published in the Journal of the American Medical Association suggests 114 million adults are living with diabetes in China - the highest number of diabetics in the world.
That is almost %12 of the adult population, a higher proportion than the US.
It is believed changing diet and lifestyles in China are to blame as John Sudworth reports.