A core question for policy-makers will be the extent to which investments
in preventive actions that address some of the social determinants of health
represent an effi cient option to help promote and protect population health.
Can they reduce the level of ill health in the population? How strong is the...
Contaminated water is bad for health, resulting in thousands of premature deaths around the world each year. There is strong evidence that household water treatment has the biggest impact and is the most costeffective method in reducing risks of diarrhoea. But the picture is not as clear when it comes to...
Large-scale randomized interventions have the potential to uncover the causal effect of programs applying to a large population, thereby improving on the insights gained from currently dominant smaller randomized studies. However, the external validity gained through larger interventions typically implie...
