Defines the irritable bowel syndrome and gives clear explanations of its causes and those of the related diverticulosis, and what you can do about them. To make it easier to understand why things go wrong there is a chapter on how the digestive system works. This is followed by a common-sense and non-judgemental approach to cleaning the colon and cutting down on everyday poisons such as tea, coffee, alcohol and tobacco. More specific causes are dealt with - eg candida, food intolerance, the effects of prescribed drugs, low blood sugar, hyperventilation and an exhausted nervous system. The text is straightforward and the advice on diets and bodywork easy to follow.