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Every day, in the UK, 140 women are told "you have breast cancer". Around the world, 10,000 women die from the disease every week.
Our research teams are working to detect breast cancer early, stop it spreading and to develop treatments that will help save lives. We've made breast cancer the focus for Life Cycle 6 - our annual fundraising campaign.
I am part of a team who will be walking the Robin Hood Way, 105 miles in length, over the course of 7 days.