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Attempts to persuade people to be healthier often have limited success. Public health should focus more on marginal gains that require little or no effort, says Michael Hallsworth.
Although migration has always been part of human behaviour, it isn't natural; rather, it is a necessary response to various forms of violence and adversity, says Heide Castañeda.
The Common Rule's incoherent approach to ethics regulation will change little in the way institutional review boards and researchers interact, says Robert Dingwall.
The research community should move to fill the regulatory gap for large-scale social data left by the recent revisions of the Common Rule, argues Julia Ingrid Lane.
Challenging Heights — an organization that rescues and reintegrates child slaves in Ghana — aims to end child trafficking in the country by 2022, says James Kofi Annan
The view of drug use and drug addiction as a brain disease serves to perpetuate unrealistic, costly, and discriminatory drug policies, argues Carl L. Hart.
The way in which data on conflict violence is collected can not only lead to severe underestimation of the human toll of conflict, but also to misinterpretation of trends in conflict violence, says Megan Price.
Violence is the greatest public health problem of our time, but is the only epidemic in which the health sector is not leading the response, says Gary Slutkin.