An Outside-the-Doctor's-Office Approach to Health Care

Larger green spaces may be critical to a city, as they can support more complete ecosystems. In contrast to smaller "parklets," large parks paired with high-density neighborhoods allow for healthier cities.

Poor neighborhoods in the United States lack quality play spaces for children, also known as play deserts. An organization is enabling communities across the nation to build their own playground.

Great minds from Plato to Piaget have recognized the importance of play in healthy child development, but with bullying becoming more prevalent on school playgrounds and increased pressure to maximize school hours to boost performance on standardized tests, schools are struggling to implement meaningful recess. Playworks and other similar non-profit groups provide coaching for adults on how to help structure children's playtime to be healthy, productive, and enjoyable, while allowing children to explore on their own and develop positive relationships.

Health communication systems designed for rural, developing countries -- where hospitals are often understaffed and transportation is inadequate -- are being adapted to improve care in U.S. cities.

In light of a study published in BMC Medicine, authors Nancy Fullman and Alexandra Wollum take a deeper dive into Nigeria’s gains against polio and what they could mean for the country’s routine vaccine systems.

World Concern, a Seattle-based Christian humanitarian group, provides people around the world with vouchers they can use in select markets, rather than the traditional emergency food aid of rice and other grains. In Dhobley, Somalia, the solution of vouchers quickens the process of receiving the food and contributes to the local economy.

Even with all available help, New Yorkers miss about 100 million meals each year - food stamps are not enough. But some New York food banks allow for the homeless to choose their own food products, making healthy choices easier.

Many different people are inventing health devices for resource-poor settings, but some organizations - like M.I.T.’s Little Devices group - are empowering developing communities and increasing access to healthcare by building medical devices that nurses and doctors in very poor settings can adapt themselves — or kits for making their own, often harvesting parts from toys to cleverly rig up medical equipment. It’s part of a major idea shift, one that’s transforming the design of foreign aid.

Two columns on how Iran is treating its massive epidemic of injecting drug use by tackling it as a health problem, effectively lowering H.I.V. rates among drug users using an approach to drugs known as harm reduction.

Despite strong evidence that school-based physical activity improves children’s cognitive skills, concentration, and behavior, schools under pressure to produce quantitative results and decrease bullying have drastically cut back on recess in recent years. An Oakland-based nonprofit organization called Playworks is working to make healthy play accessible for more children and show schools how productive recess can be to the whole academic world.