This book provides evidence-based, pragmatic and practical guidance for primary care and substance misuse services. Covering the major substances used in the UK, it also considers associated health problems and the needs of some of the most vulnerable groups in our society where substance misuse is a significant contributor. It puts sound advice well within the grasp of all those involved in delivering care in substance misuse settings. Essential reading for anyone who wants to improve the care they deliver to some of the groups in society with the greatest needs.