A move to lengthen limbs internally rather than via an external scaffold could reduce the effects of painful treatments, especially among younger patients
One year ago there were a dozen known cases of children with a mutation on the SCN8A gene; now, there are more than 90
The Bush administration's international AIDS program has been hailed as a success story, but will President-elect Obama follow through with a higher quality, fewer-strings-attached plan?
Is it possible? The United Nations agency thinks so. To see why, follow an HIV-positive mom and her baby as they go through an 18-month HIV-transmission prevention program