... uncertainty about the mechanisms whereby smoke causes emphysema and airway disease Oxidative stress may be a component, as oxidizing radicals are present in tobacco and biomass smoke and are released ... disease from indoor air pollution in India In: Raw G, Aizlewood C, Warren P, eds Indoor Air 99, the 8th International Conference on Indoor Air Quality and Climate, August 1999, Edinburgh London, ... made to quantify the impact of exposure to air pollution, including that arising from indoor air pollution, globally (126, 127) and in India (128) Broadly, two approaches have been adopted (Table...