Enlarge this image The image shows amyloid plaques in the brains of three patients in the early stages of Alzheimer’s. Those plaques…
Topics
experimental drugs
-
-
Enlarge this image The Food and Drug Administration approves more than 99 percent of applications for compassionate use of experimental medicines. But…
-
Enlarge this image Research with living systems is never simple, scientists say, so there are many possible sources of variation in any…