A review of 10 years of United Network for Organ Sharing data on nearly 36,000 patients showed that black heart graft recipients had an almost 30% greater chance than whites of decreased survival. Medscape Medical News
Radon levels typically found in homes in the US do not raise the risk of lung cancer, according to findings from a decade-long case-control study. In fact, the dose-response effect of radon exposure may be hormetic, i.e., protective at low doses but harmful at higher levels, the researchers suggest. Reuters Health Information
Scientists have identified a human cardiovascular progenitor cell type from which colonies comprised of cardiac, endothelial, and vascular smooth muscle lineages are derived. This provides another step in the development of cardiac tissue for transplantation into damaged heart muscle. Reuters Health Information
Risk factors associated with the early onset of osteoporosis may be related to an increased risk of certain cancers, while factors associated with a later onset of osteoporosis may be related to a decreased risk of other cancers, researchers report in the April 15th issue of the International Journal of Cancer. Reuters Health Information