WINNER OF THE BIG RED READ PRIZE FOR NON-FICTION IN 2013. Cathryn Kemp was a successful travel journalist who was struck down by a life-threatening illness, pancreatitis. After four years of operations and mis-diagnoses she left hospital with a repeat prescription for fentanyl, a painkiller 100 times stronger than heroin. Within two years she was taking more than ten times the NHS maximum, all on prescription. Her family struggled to understand;...