It’s thought that about 15% of us are affected by tinnitus, and despite its potentially debilitating impact on mental health and quality of life, there isn’t any cure for the condition. Madeleine Finlay speaks to John, who has used CBT techniques to learn to live well with his tinnitus, and Dr Lucy Handscomb, a tinnitus researcher who is involved in trialling a new app that could hold promise for sufferers.. Help support our independent journalism at theguardian.com/sciencepod