Brain-injured troops face unclear long-term risks
(AP)
AP - Many of the thousands of troops who suffered traumatic brain injuries in Iraq and Afghanistan are at risk of long-term health problems including depression and Alzheimer's-like dementia, but it's impossible to predict how high those risks are, researchers say.
AP - Consumers should be wary of Web sites from clinics that offer stem cell treatments, says a study that found a lack of firm medical evidence to back up their claims. The Web sites in the study generally portrayed their therapies as safe, effective and ready for routine use, but published research doesn't support that "overoptimistic" picture, the study authors said.
