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'Sticky balls' may stop cancer spreading
http://www.bbc.co.uk/news/health-25625934
Breast cancers can spread to other tissues in the body
Cancer-killing "sticky balls" can destroy tumour cells in the blood and may prevent cancers spreading, early research suggests.
The most dangerous and deadly stage of a tumour is when it spreads around the body.
Scientists at Cornell University, in the US, have designed nanoparticles that stay in the bloodstream and kill migrating cancer cells on contact.
They said the impact was "dramatic" but there was "a lot more work to be done".
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