Finally, further research is needed: firstly, to enquire into the protective role of education in this research population, given the impediment of residence status and, secondly, to determine whether (reverse) causation between socio-economic position and health applies and, if so, how much exposure to a setback in socio-economic position suffices to trigger ill-health.
One likely option for many will be to try statins and see whether they trigger any ill-effects.
Ocean Spray, the dominant growers' coöperative, argued that a person would "have to consume carloads" of cranberries to trigger any possible ill effect.
Whatever the trigger, however, the ill individual and those around him invariably rely on cultural beliefs and stories to understand what is happening.
But in the last decade, researchers have realized that the benzodiazepines did not just give patients amnesia: the delirium and hallucinations they may also trigger in critically ill patients may set the stage for PTSD.
The impact of this accumulating evidence on clinical practice is evident in large reports, which show that the average transfusion trigger in critically ill patients was a hemoglobin level in the range 8 8.5 g/dl.
In folk understanding of ill-health, the notion of 受风 shou-feng "exposure to wind" is often invoked as a trigger of illness.
The emergency developed rapidly over the weekend with one baby after another falling ill, triggering a frantic search to identify the source of the bacteria causing the life-threatening septicaemia.
A phone call from an ex-lover, informing the narrator that her former professor is terminally ill, triggers memories of her university life in an age when paratroopers invaded City Hall, and students took refuge from riot police in Myeong-dong cathedral.
To put it simply, we choose to allow a few false negatives if it will prevent false positives (under the assumption that false positives trigger costly and ill-advised follow-up experiments).
At face value this contradicts the majority of previous cohort studies [ 2] and the only large randomised trial of different transfusion triggers in critically ill patients (the Canadian Critical Care Trials Group's 'Transfusion requirements in critical care' (TRICC) trial) [ 3].
