Word: braine
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...Nearly one year after Hurricane Katrina slammed into the Gulf Coast, killing more than 1,300 and displacing thousands more, frustration over the slow pace of recovery is taking a toll on the region's overall mental health. Initially, complaints reflected what some locals have dubbed "Katrina Brain": general fatigue brought on by the disruption of their lives, difficulty concentrating, mood swings, and mild depression. In most cases, it was nothing that reached critical levels. But since the first of the year, Barbee says, "there's been a steady increase in depression, specifically major depression." Worse, he adds, there...
...program at Duke University Medical Center. Children with blood diseases that were almost certainly fatal a decade ago have got cord-blood transplants that essentially cure them. Now she and her team are taking a more targeted approach by attempting to differentiate cord-blood cells to address heart, brain and liver defects. "I think cord-blood cells have a lot of promise for tissue repair and regeneration," says Kurtzberg. "But I think it will take 10 to 20 years...
...prove to be a powerful source of therapies. "In some cases, you may not want to go all the way back to embryonic stem cells," says Kurtzberg. "You may want something more specific or less likely to stray. You wouldn't want to put a cell in the brain and find out later that it turned into bone...
ADULT STEM CELLS Why they are useful They exist in many major tissues, including the blood, skin and brain. They can be coaxed to produce more cells of a specific lineage and do not have to be extracted from embryos Drawbacks They can generate only a limited number of cell types, and they are difficult to grow in culture...
...they are useful Although they are primarily made up of blood stem cells, they also contain stem cells that can turn into bone, cartilage, heart muscle and brain and liver tissue. Like adult stem cells, they are harvested without the need for embryos...