Your inner ear, also called the labyrinth, plays a key role in your hearing and sense of balance. Several conditions can impact the inner ear. Your inner ear is the deepest part of your ear. The inner ...

The cranial nerves are a set of twelve pairs of nerves that travel to and from the brain. Each has a different function. For example, the olfactory nerve is essential for detecting smells. The ...

Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no modern purpose. One such example is the muscles around our ears, which in many ...