Pressure on cells reduces pain signals, but excess cholesterol can interfere, researchers findPeer-Reviewed Publication UF HEALTH IMAGE: A CELL MEMBRANE IS ILLUSTRATED TO SHOW THE SURFACE IN RED. BLUE OBJECTS ARE PROTEINS, INCLUDING ION CHANNELS, WHICH CAN SEND ELECTRICAL IMPULSES INTO CELLS. LIPIDS, OR FATS, ARE IN YELLOW. IN THIS CROSS SECTION, AN ION CHANNEL...