The sinuses are four hollow spaces on both sides of your face and head. They're connected by narrow channels that allow air and fluids to flow between your nose and throat. If you have inflammation in ...

Sinuses are air-filled structures in your head that serve many purposes. They create a mucus that moisturizes the inside of your nose. Additionally, sinuses affect the way your voice sounds and act as ...

Sinus tumors develop in your nasal cavity and in the open spaces around your nose, which are called the paranasal sinus cavities. They’re the same areas where you often feel pain and pressure when you ...