While stress and depression are the most frequent reasons for tiredness, there are many other possible causes such as diet, food allergy, nutritional deficiency and chemical sensitivity. This book is an introduction to the common and treatable causes of fatigue written for the layperson. The author explains the main causes of fatigue, why some people feel permanently worn out, and suggests ways to address the problem and resume a normal, healthy life. The text is thoroughly researched, simply written and the author uses a number of case studies to help illustrate the points raised. A directory of support organizations is also included.