Hello, this is Health Check from the BBC and I'm Claudia Hammond.
Now, we have all sorts of new innovations in health for you today,
including some extraordinary new contact lenses, which could let us see infrared light.
And joining from Berlin today to help me, I have global health journalist Andrew Green.
And you've been away.
Where have you been?
I just got back from the World Health Assembly in Geneva.
We're going to hear lots more about that later.
And we're also going to hear from Malawi about attempts to treat a disease caused by fungal spores,
which any of us might breathe in.
But we are starting with breast cancer.
Millions of women go for regular breast screening, usually a mammogram,
where the breasts are x-rayed in the hope of detecting cancer at an early stage.
In the UK alone, mammograms find more than 20,000 cancers every year,
but they are less effective in women who have dense breasts,
who are also four times more likely to develop breast cancer than women with low breast density.
But the results of a new study just published in The Lancet may point to a solution.
The trial was led by Fiona Gilbert,
who's Professor of Academic Radiology at the University of Cambridge and Addenbrookes Hospital in the UK.
And when I spoke to her,