The World's Clark Boyd reports that two teams of scientists have announced that they have turned human skin cells into stem cells -- without destroying an embryo in the process. The announcement is a breakthrough for a field of research that has been stalled by ethical, political and practical concerns.

Anchor Lisa Mullins speaks with Claire Hajaj of the United Nations about a cholera outbreak in northern Iraq. The outbreak started at a malfunctioning water treatment plant. Problems with Iraq's infrastructure are a threat to the public health of its citizens.

In the wake of the firing several weeks ago of it's Deputy Director, the South African Health Department today issued a recall of 20-million potentially defective condoms. Anchor Lisa Mullins speaks with AIDS expert and author Helen Epstein about the current turmoil surrounding the country's battle with one of the world's worst AIDS epidemics.

Correspondent Sheri Fink reports on what experts are saying about the drug resistant form of Tuberculosis at a meeting in Washington, D.C. An American citizen is in quarantine in Atlanta after flying to Europe and returning to the US after being diagnosed with a drug resistant strain of the disease.

Correspondent Sheri Fink reports on the struggles among the migrant worker population in New Orleans. Thousands of undocumented immigrants flocked to the city to help with demolition and reconstruction after Hurricane Katrina. But they're having trouble getting help, such as healthcare, when they need it.

Correspondent Mary Stucky tells the story of maca. That's the name of a Peruvian root used as a libido-enhancer. Peruvian Indians discovered maca. But a US company analyzed and patented its active ingredient. Maca-based products could mean big bucks for the patent owners. But back in Peru, many wonder whether they'll see any of the profits.

The use of hospice care is growing in the United States, but not within the Hispanic community. Correspondent Sarah Bush reports from Austin, Texas.

The World's Jessie Graham reports on a program here in the United States that helps immigrants from several African countries cope with their memories of war back home. We hear how some American therapists are trying to overcome the immigrants' reluctance to talk about their traumatic experiences.

British researchers say they've successfully grown human heart tissue from stem cells. Scientists say it's a step toward the transplant of replacement heart valves or possibly one day a whole heart. The World's Jason Margolis has the story.

In South Africa, people infected with HIV can now buy life insurance. That change in business practice reflects a dramatic change in medical reality. Correspondent Amy Costello reports.