Nervous system and stress. Your sympathetic nervous system, which prepares your body to respond to stress or danger, becomes more active when you're stressed out. For instance, ...

A team has made a major breakthrough in the field of three-dimensional (3D) imaging of large-scale biological tissues. They ...

The nervous system controls the activities of all body organs and tissues, receiving input from sensory organs and responding via effector organs. With around 100 billion interconnected neurons, the ...