摘要: The harmful effects of passive smoke exposure were described in a series meta-analyses published 1999, the findings which have largely been resoundingly confirmed subsequently. Despite introduction anti-smoking legislation, is undoubtedly effective, millions children worldwide are still exposed to tobacco smoke, leading 170,000 premature deaths children. Early life events critically impact long-term lung health, and there multiple adverse exposure. Maternal smoking pregnancy causes preterm small-for-date deliveries, immunological structural changes foetus (amongst other issues), airway obstruction at birth, never recovers. Childhood risk factors, much most important, least as important heavy adult causing later chronic obstructive pulmonary disease. Other include an increased sudden infant death, upper disease, including need for adenotonsillectomy, vascular aging, neurocognitive defects exacerbation coincidental respiratory diseases, such cystic fibrosis. family societal fiscal burden also huge. In summary, prevention single achievable public health measure ensure health.