Medical Treatments

Women encounter a dilemma when they get pregnant: Should they continue taking medications that keep them healthy? That question can be scary, because drugs are rarely tested for safety in pregnancy.

The National Institutes of Health is proposing to fund experiments that create chimeras of human and animal cells while also imposing restrictions in response to ethical concerns.

Lt. Col. Chance Henderson, an orthopedic surgeon serving in Afghanistan, was able to save the leg of a 6-year-old Afghan girl caught in a firefight. She is about to be discharged.