A breath analysis test may one day be used as a noninvasive way to monitor blood sugar levels in children with type 1 diabetes.
Researchers from the University of California hope that a chemical analysis method developed to test air pollution could also be used in healthcare.
They found that children with type 1 diabetes exhale higher concentrations of methyl nitrates when they are hyperglycaemic.
The higher the child's glucose levels, the higher the concentrations of exhaled methyl nitrates.
Cathy Moulton Care Advisor a Diabetes UK said: "This is an interesting study as it shows that there could one day be a possibility of developing a noninvasive method for monitoring blood glucose levels in children with type 1 diabetes.
"Currently children with diabetes need to prick their fingers around four times a day to check their blood glucose levels."
He adds, however, that this research is still at an early stage, saying: "More research will be needed to prove that breath analysis testing can be an effective way of monitoring blood glucose sugar levels for people with diabetes."