Sinuses are a grouping of interconnected air pockets within the bones of your skull, but experts aren’t really sure what their true purpose is. Some speculate they are there to provide a cushion, ...

Isabel Casimiro, MD, PhD, is an endocrinologist at the University of Chicago in Illinois. As a physician-scientist in molecular biology, she uses her research on diabetes, lipid disorders, ...

If you are plagued by sinus problems, take a moment to consider these valuable parts of your head. What can turn good sinuses into problem sinuses? Your sinuses are hollow air spaces within the bones ...