Researchers at Cardiff University say preventing a form of diabetes could become a reality, if trials prove successful.
It aims to slow - or stop - the destruction of insulin-making cells using a vaccine-type treatment.
In the UK, Type 1 diabetes is on the increase.
David Wood reports.
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The Falklands war veteran invites Adrian into his home to talk about his career, family and forgiveness.
It will be a dry and bright start, however scattered showers will develop.
Sporadic outbreaks of rain will spread to all areas overnight, perhaps with some heavy bursts at first before these ease.