Compared to previous decades, there seem to be more and more cases of people with various diseases, maladies, allergies, and intolerances. What has changed in the environment and in the average person's lifestyle to cause these developments? This book can serve as a directory of various additives, chemicals, and pollutants that the average person might see on a product label but know little about. By looking it up, they can learn in just a few minutes where they might come into contact with a harmful substance and what symptoms may result. For concerned parents or anyone experiencing a sudden change in their health, a quick look in this book may offer unexpected, immediate advice on simple changes they can make in their food and household products to improve their well-being.

The structure and categorization of the various irritants and dangerous substances make this book very functional as a quick reference guide rather than a textbook to be studied and read in sequence. An index at the back of the book helps readers quickly find a specific subject and can also be used to easily locate an entry by topic and by alphabetization. That structure makes this work better as a cross-reference upon seeing something on a label or in the environment, rather than doing a symptom-driven lookup, though with a little familiarity, both are certainly possible. The information-driven approach in this book makes it perfect for making quick decisions about choosing between two products based on the additives or active ingredients they contain, and it also offers practical, sound advice for dealing with allergies or identifying unfamiliar physical sensations.

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