Adult stem-cell research may lead one day to cures for terminal and debilitating diseases "I hope we will always be guided by both intellect and heart, by both our capabilities and our conscience." -President George W. Bush1 Few areas of scientific study hold as much potential as adult stem-cell research. This research is already generating medical breakthroughs and treatments for debilitating diseases and disabilities, such as spinal cord injuries, sickle cell anemia and Parkinson's. Indeed, scientists laud stem-cell treatments as the "miracle cure" of the 21st century. Unlike so many areas of biotechnology, adult stem cells do not spark a...