report saliva cotinine levels from nationally representative samples of English children aged 4–15 years, who participated in surveys held between 19. Ĭhanges in homes are more difficult to track, but there have also been significant gains here. Among middle-aged non-smoking men who took part in the British Regional Heart Study, cotinine levels at 20-year follow-up were, on average, one-seventh of the levels recorded in 1978–80. Improvements are most evident in the work-place, where many countries have comprehensive restrictions on smoking, with high levels of compliance and substantial reductions in the exposure of non-smokers to second-hand smoke (SHS). Steinfeld, declared in 1971 that ‘Nonsmokers have as much right to clean indoor air . . . as smokers have to their so-called right to smoke’, a great deal has been achieved. Since the US Surgeon General of the time, Jesse L. The decline in passive smoking is a public health success story.
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