Bionic pancreas: A new dawn for diabetics?
Having too much or too little sugar in your bloodstream can cause serious health problems.
People with type 1 diabetes cannot make insulin - a hormone important for regulating blood sugar levels.
Since the early 20th century type 1 diabetics have been able to use injectable insulin to help keep their blood sugar in check.
Despite this life-changing treatment, life is never quite "normal" for sufferers.
Now a new device has tapped into the power of the smart phone to make life drastically better for diabetic patients.
Kate Dailey reports on the promise of what researchers are calling a bionic pancreas.