Your Data Your Data Matters to the NHS Information about your health and care helps us to improve your individual care, speed your diagnosis, plan your local services and research new treatments. In May 2018 the strict rules about how this data can and cannot be used were strengthened. The NHS is committed to keeping patient information safe, and always being clear about how it is used. You can choose whether your confidential patient information is used for reseach and planning. To find out more visit: nhs.uk/your-nhs-data-matters.