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 human body is often described as a marvel of "perfect design": elegant, efficient and finely tuned for its purpose. Yet, when we look closer, a rather different picture emerges. Gut dysbiosis ...

The trochlear nerve is also known as cranial nerve IV (CN-IV). It is the only cranial nerve that emerges dorsally from the brain (near the back), giving it the longest pathway. It is the smallest ...