An Australian toddler becomes the youngest child in the worl
The cells found in umbilical cord blood are called regulatory T cells (Tregs), which are being widely explored in a number of studies to treat type 1 diabetes and other conditions.

Umbilical cord blood can be stored for up to 24 years, and Ms Hinchion said it was "no-brainer" for Lucy to have this procedure which could "at the very least, buy her a few years" before diabetes develops.