The £300 million genome research announced by the Prime Minister will make chemotherapy "a thing of the past", according to one medical expert.
Professor Jeremy Farrar, director of health charity the Wellcome Trust, believes genome sequencing has the potential to transform medicine.
It's actually happening now, in small ways. If you go into a hospital with lung cancer, for instance, that cancer will be sequenced.
Twenty years from now academics and industry will have developed therapies which will be targeted at you and specific forms of cancer.
We will look back in 20 years time and the blockbuster chemotherapy drugs that gave you all those nasty side effects will be a thing of the past.
More top news
James Greig asked his girlfriend to marry him on the front cover of the Observer magazine, so did she accept?
Keep warm with Valentines Day kisses.