Ionizing smoke detectors unnaturally raise the background radiation levels in the human environment.
— Steven Magee
background
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detection
detector
environment
environmental
environmental-conservation
environmental-degradation
environmental-protection
environmental-values
environmentalism
human
human-being
human-condition
human-development
humanity
humanity-and-society
humans
ion
ionize
ionizing
level
level-of-acceptance
levels
radiation
radiation-effects
radiations
raise
raised
raises
smoke
unnatural
unnaturally
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