New causal evidence shows boosting African women's income and wealth increases fertility, particularly among women without a son, suggesting that this fertility increase is a means to safeguard long-term economic security.
The Green Revolution dramatically altered the agricultural and dietary landscape in India. While calorie availability increased, reduced dietary diversity had adverse long-term health impacts, meaning the overall impact is only now being understood.
To effectively improve sanitation in low-income areas, policy must address a number of key issues, including credit market failures, environmental externalities, social preferences and low public sector capacity
Evidence from Iraq demonstrates that exposure to violence before birth, and the associated stress experienced by mothers, is linked to significant developmental challenges for children, shedding light on similar issues faced in other conflict zones.
A low-cost play-based programme for refugee mothers and their children in Rohingya refugee camps in Bangladesh was remarkably effective at improving mental health and wellbeing
A widely implemented HIV/AIDS programme inadvertently decreased HIV testing by worsening misinformation and HIV-related stigmatising attitudes, but a simple follow-up intervention offset the programme’s adverse effects.
