In a cross-sectional analysis of data from 3 years of the Health Survey for England, marked dose-response relationships were observed between
passive smoking exposure and respiratory symptoms, but the most marked effects were on the development of clinically significant COPD, where the risk among never-smokers was doubled if exposure exceeded 20 h/week.37 In another study conducted on females in Syria,
passive smoking was associated with FEV1/FVC<70% after bronchodilators, which confirms the role of
passive smoking in airway obstruction.38 Though we enrolled our subjects from different age groups, residence and educational levels, by involving attendants of patients coming in the OPD, the single-centre nature is our study's limitation.
Passive smoking at home and cancer risk: a population-based prospective study in Japanese non-smoking women.
Table 4 shows that
passive smoking is significantly decreasing as level of education increasing.
"Reports indicate nearly 600,000 people die of
passive smoking around the world every year.
"I'm alarmed to see that our area is potentially one of the worst in the country for this, so I hope that by raising awareness of the damage
passive smoking can cause to the lungs of children I can help change some attitudes locally."
The association of both active and
passive smoking with increased risk of breast cancer is biologically plausible, especially when exposure occurs during certain critical periods, according to the study.
A Royal College of Physicians report this year claimed 22,000 cases of asthma in children caused were by
passive smoking.
Passive smoking also places a large financial burden on the NHS.
And 40 babies die from sudden infant death syndrome every year caused by
passive smoking - one in five of all cot deaths.
DOCTORS today called for a ban on smoking in all vehicles after a new report revealed
passive smoking causes at least 22,000 new cases of asthma and wheezing in children every year.
DOCTORS today called for a ban on smoking in all vehicles after a report revealed
passive smoking causes at least 22,000 new cases of asthma and wheezing in children every year.
Passive smoking and cardiovascular pathology; mechanisms and physiopathological bases of damage.