1A 15 November 2006: WOMEN who eat red meat more than once a day double the risk of getting the most common form of breast cancer, doctors have found. A study of pre-menopausal women examined the effect of diet on different types of breast cancer and found that those who ate the most meat - especially in processed forms such as hamburgers and sausages - were at the greatest risk of hormone-sensitive breast cancers. The natural female hormones oestrogen and progesterone are essential for a range of bodily functions but are also responsible for stimulating growth in 70 per cent of breast cancers - those known as hormone receptor positive. Eunyoung Cho, associate professor of medicine at Harvard Medical School, who led the study, said there were several reasons red meat triggered this type of