Gene testing for the public: a way to ward off disease, or a useless worry?

The launch in Australia of a genomic testing service aimed at healthy people heralds a new era of individual patient care. A scan of your genome, which is the complete set of your genes, to find out if you are at risk of particular diseases, can mean you can then go on to take preventive measures against them.

The CEO of the Garvan Institute’s Genome.One lab, which is offering the testing,