This week's podcast is live from the British Society for Gene Therapy (BSGT) conference in Brighton, UK. Some of the world's top gene and stem cell therapists explain how we can manipulate genes to treat a variety of disorders, from cystic fibrosis and haemophilia to cancer and blindness. We hear what life is like as a haemophiliac and answer your questions, including whether gene therapy can alter all the cells in our bodies and how scientists account for the ethics and side effects of this research. Plus, is a human moustache like a cat's whiskers? Find out in Question of the Week!