Objective: The goal of this study was to report on the development and early usability of a new interactive mHealth app for reducing cardiovascular risk in primary care patients of low socioeconomic status attending clinics in Chile. Design: Mixed-methods design with qualitative and quantitative components. Setting: Three Chilean primary care…

Easter Island is a fascinating example of resource depletion and population collapse, and its relatively short period of human habitation combined with its isolation lends itself well to investigation by students in a first-semester ordinary differential equations course. This article describes curricular materials for a semester-long case study…

Betsy Lozoff is among the world's leading experts on iron deficiency and its effects on infant brain development and behavior. Iron deficiency is the most common single nutrient disorder in the world, affecting more than half of the world's infants and young children. Research by Lozoff and others has shown that there are long-lasting…