Meeting our ends by our means: protecting children from SHS in research

We are concerned by the recent publication of a randomised clinical trial in your journal, in which smoking parents were asked to continue smoking in the presence of their children for 6 months to evaluate if secondhand smoke (SHS) exposure increased the risk of bruxism.1 It is surprising that after acknowledging that SHS is “ …a serious public health threat ” with a large impact on children's health, ranging from respiratory affections to cardiovascular damage, authors conducted a study in which:“The smoking members of the families in group 1 were asked …