More news on the fight against cancer on the BBC this lunchtime:
New cancer-causing agent revealed
Fish oil hope for breast cancer
In particular, a way of identifying cancers, meaning it could completely change the way cancers are diagnosed, and treatments. And the implication of their usefulness is down to their role in embryonic development, something I remember the consultant explaining when telling us what exactly is a brain tumour and how's it made up.
The other story, about usefulness of fish oil, will, I'm sure, have all my older relatives grinning, having spent early parts of my childhood trying to spit out spoonfuls of Codliver oil. Hope that one type, at least, could be used in the treatment of breast cancer.