Dr Sabina Dosani MBBS, MSc, MRCPsych is consultant Child and Adolescent Psychiatrist at the Kari Centre, Auckland, New Zealand and co-editor of the British Medical Journal's 'Career Focus' section. Sabina has also written for the Sunday Express, Guardian, Times 2 and Saga magazine. She specialises in helping adults and young people overcome a range of psychiatric problems. She wrote the best-selling Defeat depression (978 1 904902 72 0), and is also co-author of Re-energise your relationship (978 1 905940 17 2), all available in the 52 Brilliant Ideas series.Peter Cross is a journalist who has written for the Daily Telegraph, The Times, the Daily and Sunday Express and the Independent on Sunday. He is currently joint editor of British Medical Journal's 'Career Focus' Peter is the co-author of Re-energise your relationship (978 1 905940 17 2) and Stop smoking (978 1 904902 70 6), both available in the 52 Brilliant Ideas series.