Excellent analysis of alternative medicine: Edzard Ernst and Simon Singh evaluate meta-studies that have been conducted on methods such as acupuncture, Homeoöpathie, chiropractic, natural herbal medicine, among other things, Ernst is a professor of complementary medicine at the University of Exeter and studied for a decade, action alternative Medzin. Singh is a scientific journalist and knows how to play complex issues so that they are understood as a normal person. Both go without prejudice to connect with the alternative Medzin. Their premise: It is not the ideology decides only the Wirksamekeit - namely the verifiable effectiveness. These take a trip into the past, explain the basis of bloodletting, finding cures scurvy and cholera, why it was so important and is to approach diseases without ideology. It is equally important not to judge by anecdotes, whether a method heals, but the proven effectiveness based on a variety of people. The authors explain how to ensure that there are no good or bad intention into play in such investigations and explain the principle of the double-blind tests. Only with this basis do you approach the current alternative medicine. Anticipation was said - it does not look good with the detectability of alternative medicine - its effectiveness can be only a few cases and even there only detect statistically insignificant. In most cases, use alternative healers from the placebo effect, even on the operation of which go Singh and Ernst a. In a final chapter they explain why it is harmful, objectionable and soar life threatening rather than rely on the placebo effect to apply the medicine. An appendix goes on 30 more alternative methods and their impact and reliability, a - a good book to make smart choices to make when it comes to the choice of method of healing. But to be able to talk a good book to the people who have leased for itself (and alternative medicine) the truth for a long time. But this book will probably not read or observe, because they know anyway what is right, because the neighbor of a friend has ever cured his cancer with Homeöpathie ...