Sarah E. Starks, Jane A. Hoppin, Freya Kamel, Charles F. Lynch, Michael P. Jones, Michael C. Alavanja, Dale P. Sandler and Fred Gerr Background: Evidence is limited that long-term human exposure to ...

Injured axons instruct Schwann cells to build specialized actin spheres to break down and remove axon fragments, thereby starting the regeneration process. Damaged peripheral nerves can regenerate ...

In biology, the nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body. The nervous ...

The parasympathetic nervous system (PSNS) is one of two major divisions of the larger autonomic system in your body. Its function is to keep the basic functions of your body working as they should.

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Billions of nerve cells send signals coursing through our bodies, serving as conduits ...