England's chief medical officer says cancer patients should routinely be offered DNA tests to help them get the best tre

The video explores the potential of genetic testing in revolutionizing medicine, particularly in treating cancers and rare diseases. It highlights the current rarity of genetic testing in the NHS, its prevalence in private clinics, and the push to make it as routine as blood tests. A case study of Toby's family history with cancer illustrates the personal impact of genetic research. The video also discusses the advancements in genetic science, such as the discovery of the BRCA2 gene, and the challenges of interpreting genetic data. Despite the promise of reduced costs, the implementation of widespread genetic testing faces financial and logistical hurdles.

Discuss the significance of the BRCA2 gene in cancer research.

What advancements in technology have made genetic testing more accessible?