davecb writes "The Globe and Mail reports that cancers have at their core a small number of stem cells, without which they cannot spread or reoccur. From the article: 'A spate of new discoveries about the basic biology of cancer is pushing researchers toward an astonishing conclusion: For decades, efforts to cure the disease may have targeted the wrong cells.' If true, the discoveries of Canadian and Italian research groups may give us a new path to selectively attack cancer."
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