How far off everyday practice is genome sequencing?

Melbourne paediatrician and clinical geneticist Dr Sue White is something of a gatekeeper.

What she oversees is one of the most-hyped technologies in modern medicine, deciding which patients should receive a blueprint of their genetic make-up through so-called next-generation sequencing.

The testing has been hailed as medicine’s closest thing to a crystal ball.

It enables healthy people to see what medical conditions are likely to befall them later in life and where they may be able to make a pre-emptive strike with lifestyle changes, screening