Scientists say they have uncovered new evidence which it is hoped could eventually help diagnose and prevent type 1 diabetes.
Professor Andy Sewell from Cardiff University's School of Medicine is - an expert in human T-cells. He has worked alongside diabetes experts from King's College, and says the process of the body attacking insulin-producing cells is not fully understood
Professor Sewell witnessed human T-cells - which protect against disease - inadvertently destroying insulin-producing cells. It is the first time the process has been witnessed.
Continue reading the main story
BBC News - Type 1 diabetes discovery by Cardiff University and King's College