Millions suffer from endometriosis \u2013 where tissue similar to the lining of the uterus grows in other parts of the body \u2013 and yet the disease still remains largely a mystery. But that could be about to change. Gabrielle Jackson, associate news editor for audio and visual at Guardian Australia, and the author of Pain and Prejudice, speaks to Jane Lee about why despair is turning to hope in the endometriosis community.