article_snippet: Around 12 per cent of postmenopausal breast cancers
article_snippet: Breast cancer patients can raise Breast cancer patients chances of survival by exercising, a study has found.
article_snippet: Tumours grew more slowly when mice being treated for cancer had an exercise wheel in mice cage.
article_snippet: It means that in future, breast cancer patients could be prescribed exercise as part of breast cancer patients treatment.
article_snippet: As cancers grow, the blood vessels supplying cancers grow with oxygen become thin and tangled, making it harder for drugs to reach the tumour.
article_snippet: But when US researchers from the Duke Cancer Institute in North Carolina let mice with breast cancer run on wheels, US researchers from the Duke Cancer Institute in North Carolina bloody supply improved.
article_snippet: Researcher Dr Mark Dewhirst said: 'US researchers from the Duke Cancer Institute in North Carolina were truly amazed by these findings.'
article_snippet: Macmillan Cancer Support has previously described exercise as a 'wonder drug'.