Let Your Light Shine Through, 2nd Edition is a unique, science-based workbook for people living with Myalgic Encephalomyelitis (ME), Chronic Fatigue Syndrome (CFS), Fibromyalgia (FM), Multiple Chemical Sensitivity (MCS), and Long COVID. Written by Eleanor Stein , MD, FRCP(C), a physician with more than 25 years of experience treating complex chronic diseases. This book validates these real, biological illnesses, conditions that are often misunderstood or dismissed. This workbook offers practical, evidence-informed guidance to help readers understand their symptoms and take an active role in managing their health. Inside, you’ll learn how to: • Identify your specific symptoms and diagnoses • Understand the biology behind fatigue, pain, brain fog, sleep problems, dizziness, and sensitivities • Apply individualized self-care strategies, including lifestyle adjustments and pacing, nutrition and natural products, and medications when appropriate Most strategies are things you can do yourself. What makes this workbook different is its patient-centered, individualized approach. There is no one-size-fits-all solution. Drawing on real clinical experience, Dr. Stein helps readers recognize symptom patterns and triggers, reduce “crashes,” and improve daily functioning. Key updates in the 2nd edition include: • Expanded coverage of Long COVID • Updated disease definitions • Research updates throughout each chapter • Expanded peer-reviewed references and online resources • Bonus chapter exploring new and future directions in understanding the body’s innate ability to heal If you live with ME, CFS, fibromyalgia, chemical sensitivity, or Long COVID—and want clear, compassionate, science-based guidance—this workbook was written for you. Let Your Light Shine Through gives patients and their caregivers ideas on how to manage their energy and day-to-day symptoms. It should be required reading for everyone who treats people with ME/CFS, FM and MCS. This is a superb resource! Peter C. Rowe, MD, Johns Hopkins Children's Center This thoughtful, grounded manual offers a flexible, nervous-system-informed framework that emphasizes self-observation over rigid rules. Compassionate, practical, and deeply credible, it's a steady guide for anyone seeking understanding, regulation, and forward movement without fear. Raelan Agle, MSW, Author and YouTuber This practical guide empowers patients with ME/CFS, FM, MCS and Gulf War Illness to reduce relapses, increase day-to-day stability, and realize genuine clinical improvement. This well-structured, easy-to-follow resource transforms complex care into actionable steps, offering hope and tangible benefits. Nancy Klimas, MD, Nova Southeastern University A compassionate, science-based guide to living with ME/CFS, fibromyalgia, and MCS. Drawing on decades of clinical expertise and lived experience, Dr. Eleanor Stein offers practical, evidence-informed strategies that validate the challenges of chronic illness while guiding readers to make meaningful, sustainable steps toward better health. James Davis, President, ME International An essential resource for anyone treating or living with ME/CFS, fibromyalgia, or MCS. It deserves a place on the shelf of all physicians who encounter these often-misunderstood conditions. It offers patients a compassionate, realistic roadmap for managing their health and maximizing their quality of life. Josh Helman, MD, DrJosh.com I strongly recommend Let Your Light Shine Through as a highly practical and well-structured resource for people living with ME/CFS and related complex chronic illnesses. This comprehensive workbook helps readers better understand their symptom patterns and make informed, individualized decisions. Patrick Ussher, Author of Understanding ME/CFS & Strategies for Healing . I regularly recommend Let Your Light Shine Through and Dr. Stein's other resources to patients with complex chronic conditions. It is well-organized, accessible, and allows patients to engage at their own pace. Jennifer Swales, MBBS, CCFP, Women's College Hospital, Toronto Dr. Eleanor Stein, MD, FRCP(C), is a Canadian psychiatrist whose career path shifted in 1989 when she developed myalgic encephalomyelitis/chronic fatigue syndrome, fibromyalgia, environmental sensitivities, and chronic pain. For the next 25 years, she dedicated her practice to caring for people with complex chronic illnesses, testing and integrating strategies from conventional, functional and environmental medicine.She now offers online education, empowering people around the world to take charge of their healing through her website www.eleanorsteinmd.ca, the Dr. Eleanor Stein Podcast and her membership Live! with Dr. Stein. Dr. Stein has been a compassionate, advocate for people with complex chronic diseases for over 30 years. Let Your Light Shine Through is a unique, accessible workbook based on science and lived experience. It is a practical guide that will leave you feeling better and