A: The brain sends/receives electric signals that control/sense different muscles and body functions/sensory signals. These electrical signals travel either directly from the brain to the signal ...

Over the past few years, Polydefkis and his team have developed a skin biopsy he uses to diagnose other types of nonfatal neuropathies by measuring the number of nerve fibers in the skin samples taken ...

Nerve damage and a buildup of immune cells in the cornea may be a sign of "long COVID," a long-term syndrome that emerges in some people after COVID-19 infection, a new study suggests. These ...