The Guardian's front page story [2] from a couple of days ago ("NHS medical research plan threatens patient privacy") looks like it has generated some healthy and opinionated responses from readers, but the government consultation [3] that led up to it has now closed. The story here is that the proposed UK National Health Service constitution - enshrining the principles and values of the NHS - contained, buried amongst other important stuff on issues such as access to services, quality of care, and informed choice, a crucial nugget which could change the way that medical researchers get access to patients' data.