This book provides easy-to-understand, scientifically backed answers to readers' questions about essential oils, helping them make informed decisions about which products to use and how and setting realistic expectations about what essential oils can and cannot do to improve well-being. Many people use essential oils regularly yet know very little about them. What exactly makes them "essential"? Can they really be used to treat ailments like infections, fevers, and sore throats? Is it safe to ingest them or use them around children and pets? How can you tell if a company selling essential oils is offering a low-quality product or engaging in shady business practices? This book answers these and many more questions about these popular yet often poorly understood products. Books in Greenwood's Q&A Health Guides series follow 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 illustrate key concepts and issues through relatable stories and insightful recommendations. Each 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.