While many people think that any negative reaction after eating a food indicates an allergy, that's not the case. True food allergies, along with more common food intolerances and sensitivities, can produce a wide range of symptoms, from unpleasant bloating to life-threatening anaphylactic shock. What causes these conditions, and how can they be treated or managed? Why are certain foods, like peanuts and milk, more problematic than others? Why are food allergies on the rise, and is this only a problem in the industrialized world? , a part of Greenwood's series, answers these and other questions related to this fascinating topic. Each book in this series follows a reader-friendly question-and-answer format that anticipates readers' needs and concerns. Prevalent myths and misconceptions are identified and dispelled, and a collection of case studies illustrates key concepts and issues through relatable stories and insightful recommendations. The book also includes a section on health literacy, equipping teens and young adults with practical tools and strategies for finding, evaluating, and using credible sources of health information both on and off the internet—important skills that contribute to a lifetime of healthy decision-making.