White blood cells have a lot of work to do. They are our body’s main defense against foreign invaders—and are quite adept at it. Tasked with cleanup duty, they target and destroy cells that have been infected with bacteria, viruses or other harmful, disease-causing pathogens. But as good as they are at their job—they aren’t … Continue reading Unique Cellular Signal Directs Cells to Gobble Up Toxic Waste; Could Serve as New Weapon to Fight Disease