A combined nerve-graft and enzyme treatment restored breathing to 9 of 11 rats. The bacterial enzyme dissolves a molecule that separates tissues and prevents growth of nerves and blood vessels. Could this lead to the treatment that finally breaks the logjam in spinal-cord repair? More
A federal court has thrown the field of embryonic stem cell research into confusion. Last week, research that destroys embryos could not get federal bucks — even if those embryos were doomed or destroyed years ago. This week, it can. How is the legal yo-yo affecting researchers — and desperate patients? More
Activity is not just for the heart: For older people, it spells longevity, mobility, independence. Exercise fights diabetes and MS; even extends the lifespan. Time to get moving? More
New electronics, new sensors and new electrodes promise new hope for people with grave nerve disabilities. Replacements for both sensory and motor nerves have long ago left the drawing board.