Trimble, N
People who smoke socially tend to believe the health implications are lower than heavy smokers, but they are still increasing their risk of many health conditions, including high blood pressure, heart disease and, of course, lung cancer, clarifies Chadwick
Smoking causes lung cancer, respiratory disease and heart disease as well as numerous cancers in other organs including the lip, mouth, throat, bladder, kidney, stomach, liver and cervix
Although the relative risks derive from studies of non-smokers with current partners who smoked, the corresponding estimates of PAF in Table 5 (column 6) are probably an underestimate, because of the following factors: They take account only of current partnerships, and it is likely that past partnerships with a smoker would have had some adverse effects, particularly when separation had occurred only recently Some non-smoking partners may have quit relatively recently, and their past smoking would have had an adverse effect There may be other members of the household smoking, even though the partner does not