Scientists have taken cancer apart piece-by-piece to reveal its weaknesses, and come up with new ideas for treatment.
A team at the Wellcome Sanger Institute disabled every genetic instruction, one at a time, inside 30 types of cancer.
It has thrown up 600 new cancer vulnerabilities and each could be the target of a drug.
Cancer Research UK praised the sheer scale of the study.
The study heralds the future of personalised cancer medicine. At the moment drugs like chemotherapy cause damage throughout the body.
One of the researchers is Dr Fiona Behan, whose mother died after getting cancer for the second time.
The first course of chemotherapy damaged her mother’s heart, so she was not physically strong enough for many treatments the second time around.
Dr Behan told