A single treatment of a breakthrough gene-editing therapy has changed the lives of a group of patients with a potentially fatal hereditary disorder – with one patient describing the treatment as “like a magic wand” The condition hereditary angioedema causes severe, painful and unpredictable swelling attacks, which interfere with daily life and can dangerously affect airways. But now researchers from Cambridge University Hospitals, the University of Auckland and Amsterdam University Medical Center have successfully treated more than 10 patients from the UK, New Zealand and the Netherlands using…