Warning: This story may be distressing for some.

It’s considered the world’s most dangerous eating disorder – now New Zealand researchers are developing tools to prevent Diabulimia.

It is when someone with type 1 diabetes restricts their insulin to lose weight. But people with the chronic condition need insulin to live – and going without can lead to blindness, amputations and death.

Recent studies suggest a third of young people with type 1 diabetes in New Zealand avoid insulin in some way.

But as Louise Ternouth reports – experts here are hoping to use technology and education to help.