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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Dr. Navya Mysore, a primary care provider in New York and medical director of women’s health at Nurx, told HuffPost that when our ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." If your head aches and you can’t stop coughing at night, you might be dealing with more than a ...