CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY
Illustration showing a macrophage cleaning away amyloid proteins in a blood vessel. Researchers are working on a vaccine to combat Alzheimer's disease. The vaccine activates large numbers of macrophages which clear away the damaging build-up of waxy amyloid proteins in the brain's vascular system.
Model release not required. Property release not required.