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Disease risk reduction Less asthma and respiratory disease due to natural ventilation through windows
Fewer home injuries (falls) Positive effect of light on metabolic function and mental health
Strongly positive health impact ++; Positive health impact +; strongly negative health impact:--; Negative health impact: -
++ +
++ +
++ +
Household injury from inadequate indoor/ proximity lighting
-
Impact of health co-benefit
+
+ +
Health risks to be avoided
Greater initial cost outlays pose barriers for poor families if not offset by subsidies
New technology risks require more assessment, including of occupational and environmental risks of production and exposure to waste byproducts, e.g. respiratory irritations and impacts of exposure to toxics or heavy metals