Ionizing smoke detectors unnaturally raise the background radiation levels in the human environment.
Steven Magee, Electrical Forensics
background, detect, 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