People in the UK will for the first time have their entire genetic code read from samples taken at a GP practice as part of a pioneering study to assess the potential benefits of screening for gene faults that increase the risk of disease.

A new study has shown the power of genetic testing to pick out the best drugs for children with cancer to extend and improve their lives – signalling a new era of precision medicine for young patients.

All children with cancer should have the genetic profile of their tumour comprehensively analysed when being considered for new treatments, say leading childhood cancer experts.