Are our homes making us ill? The impact of energy efficiency on indoor air quality

The World Health Organization estimates that over 100,000 people die every year from conditions resulting from occupational exposure to asbestos. Similar to this, a significant proportion of asthma and related ill health is driven by poor indoor air quality. Stirling Howieson, Senior Lecturer in Architecture at the University of Strathclyde, takes a look at the increasing prevalence of asthma and asks the question, are our homes making us ill?