By CARRIE PEYTON DAHLBERGWednesday, August 20, 2008In a gleaming lab high within Shriners Hospitals for Children Northern California, Paul Knoepfler is waging a different kind of fight against cancer. His...

By JULIE McKINNONWednesday, August 20, 2008Hoping to help patients with leukemia and other life-threatening conditions, some hospitals and medical centers are collecting umbilical-cord blood from volunteer mothers after their babies...

By ELIZABETH FERNANDEZWednesday, August 20, 2008Parents who don't safeguard their medications are putting their teen-agers at serious risk of addiction to prescription drugs, according to a national survey. The survey,...

By GAIL ROSENBLUMWednesday, August 20, 2008Sure, you could see a movie or enjoy a mojito at a rooftop hot spot. You could catch a free concert or stroll around the...

By LEE BOWMANWednesday, August 20, 2008A whole lot of Americans are D-ficient -- lacking adequate levels of vitamin D circulating in the bloodstream, according to research that increasingly suggests shortfalls...

By DANIEL MALLOYWednesday, August 20, 2008A compound developed in Pittsburgh could be the key to diagnosing Alzheimer's disease 10 years before it strikes. A study released this week by doctors...

By GWEN SCHOENWednesday, August 20, 2008Water, water everywhere. How much do you know about what's in that bottle? Here's a quiz to find out. 1. Artesian water is a type...

By ZOE CORMIERWednesday, August 20, 2008Another chapter has been added to the troubled history of flame retardants. The latest compounds used to reduce the risk of fire have been found...

By CAROLYN ABRAHAMWednesday, August 20, 2008Canadian researchers say they have found a reliable way to direct the growth of stem cells from human embryos, taking an important step toward generating...

By SABINE VOLLMERWednesday, August 20, 2008Amy Rix is turning a technique that generations of her family have used to stop nosebleeds into a business. Rix, trained as an emergency medical...