A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

The ulnar nerve is a major nerve that runs down through your arm and into your hand. It affects functions like squeezing and grasping things. Injuries to the ulnar nerve can be painful and limiting.

Certain nutrient deficiencies, including vitamin B12, vitamin D, and magnesium deficiency, may contribute to or worsen sciatic nerve pain. Healthcare professionals may also refer to sciatic nerve pain ...

Christopher Oseh, MD, is a trained primary care physician leveraging almost a decade of clinical experience managing and counseling patients toward better health through positive lifestyle changes. He ...

Various nerves control bladder and bowel function, including the spinal cord, cauda equina, pudendal nerves, and the enteric nervous system, a nerve network in the walls of the digestive tract. These ...

Congenital aniridia is a rare disease caused, in most cases, by mutations in the PAX6 gene, which is essential for the development of ocular structures. Although the most visible feature is the total ...