Most healthcare professionals need to be able to read and understand clinical evidence, and make a judgement on what treatments are effective. To do this, they need a basic grounding in statistics and epidemiology. These are areas which many people find hard to understand, fear or find distinctly uncomfortable. However, readers of this book will find it stimulates their interest and helps them understand the basics quickly and simply. It provides every doctor, nurse, health manager, researcher and student with a concise, practical guide.