Will SARS come back? Experts agree only on this: It won't be the last worldwide killer epidemic. A year ago, severe acute respiratory syndrome -- SARS -- was unknown. Like a winged dragon, it suddenly emerged from China, taking only a month to spread death from Asia to North America. And like a slee
We've watched West Nile virus fly from coast to coast. We've seen SARS spread from Asia to North America. We've had several close calls with killer bird flu viruses. And don't forget the still-unsolved anthrax bioterror attacks. All in less than a decade. We can't help waiting for the other shoe to
People who need a lung transplant can only wait and hope that a donor organ will materialize in time. But all too often, time runs out. In response to the United States' critical shortage of donor organs, researchers have been racing to develop artificial organs that would serve as a "bridge" to tra
People who have chronic obstructive pulmonary disease (COPD) or certain other lung conditions often take their medications using devices called a metered dose inhaler (MDI) or a dry powder inhaler (DPI).