<p>If you want to maintain a good, healthy speaking and singing voice, then it is essential that you keep your voice box in good working order.</p><p>Here is a simple guide to help you understand what's good (and what's bad!) when looking after your 'vocal instrument', and how you can keep your voice in great shape.</p><p>It shows you the best ways to maintain good vocal health and how to avoid or deal with problems like colds and sore throats, shouting in sports halls, overuse, poor diet, hormones, anxiety and, yes, smoking, drinking alcohol and using drugs!</p><p>Ideal for singing teachers and choir leaders in engendering good vocal habits in young people.</p>