How American ideas of mental illness and treatment may be spreading more mental health problems around the world.
There's a worldwide shortage of organs for transplants, and some countries are offering controversial incentives to increase donations.
Earthquake survivors and medical facilities in Haiti in desperate need of clean water to avoid spread of disease.
Exploring the effective and controversial strategies that have reduced the spread of HIV in Brazil in the last decade.
The South African military is now allowing HIV-positive soldiers to serve in foreign deployments and be promoted.
South Africa has the largest number of HIV-infected people on the planet, but the country is taking aggressive new steps to fight AIDS.
New guidelines for mammograms -- screenings at 50, every 2-3 years -- consistent with many other countries around the world.
The Venezuelan government has sealed off part of the country to stop H1N1 from devastating the Yanomami Indians.
Badakhshan in northeast Afghanistan now ranked second worst in the world in maternal mortality -- how NGOs are stepping in to help.
An AIDS vaccine trial in Thailand showed the vaccine cut the risk of infection by as much as a third; scientists encouraged by results.