Gene Silencing Treatments

The future is here. Gene silencing medicines - which can fine tune how our DNA works - have held promise for decades. Now hundreds of thousands of people will get them in the UK. James speaks to a surgeon whose life and career have been saved by gene-silencing drugs and to researchers who think the field could lead to drugs for diseases we think of as untreatable.

Presenter: James Gallagher Producer: Geraldine Fitzgerald