Breakthrough for DNA-editing: US team discovers 'holy grail' to fix genes to cure incurable diseases

Scientists have discovered how to edit DNA to repair 'broken genes' to cure incurable diseases - and potentially extend human lifespan. Until now, it has not been possible to alter genes in the brain, heart, liver and eyes - the root of many debilitating illnesses. Since the cells in these vital organs tend not to divide, it is difficult to gain access to make changes. However, researchers at the Salk Institute claim to have landed on 'the holy grail of gene editing', which can delicately and smoothly cut through DNA.