New methodologies for rigorous online studies using social media have been conducted and shown to reduce nicotine use. Objective: We report on the design and baseline evaluation of a large-scale ...

We use a randomized controlled trial to examine how the costs of contraception affect method choice, pregnancy, abortion, and childbirth among U.S. women. The study recruited women seeking care ...

What policies and programs can society implement to make a tangible, lasting impact on people’s lives? Social scientists have been trying to answer this question for decades by conducting randomized ...

Introduction Schizophrenia is a severe mental disorder. While some antipsychotic medications have demonstrated efficacy in treating positive symptoms, there is no widely recognized treatment for ...

Malaria causes about 1/4 billion new cases of disease and about 600,000 deaths every year. 3/4 of the deaths are children under 5 years old. The July 23, 2025, NEJM has a free full text article ...

– Additional data presented at the 18th International Conference on Advanced Technologies & Treatments for Diabetes – Results published in NEJM demonstrate significant improvements in time in range ...

Methods: A 32-group (2×2×2×2×2) factorial design study was conducted from November 2021 to September 2022 to identify mobile health (mHealth) survey design features associated with the highest ...