Book excerpt: The impact of building materials and construction methods on the health and wellbeing of occupants is often underestimated. This book is an essential guide to understanding and avoiding hazardous materials and poor air quality in buildings. The author covers a range of issues beginning with an explanation of how buildings work and how this influences the health of occupants and users. The text covers: Ventilation, air conditioning and indoor air quality Damp and mould Asthma and respiratory problems Cancer and endocrine disorders Radiation and radon Hazardous building materials used in construction Indoor air quality and emissions Ecological alternatives and approaches and remedies for ‘sick’ buildings The book also guides the reader through the confusing world of regulations, EU and international guidelines and certifications, and provides a critical analysis of different theories of healthy buildings and philosophies. Written in a clear and accessible style, this book provides indispensable advice and information to anyone wishing to better understand healthy buildings and materials. It is essential reading for architects, surveyors, public health professionals, facilities managers and environmentalists.