When these tissues are inflamed, they produce excess fluids that increase sinus pressure. Lying back allows these fluids to drain down the back of your throat, easing pressure and pain. Related: 7 ...

Phara Brown, Sinus Sufferer At first I was a little hesitant because of the whole idea of using neti pot or using something you stick up your nose to drain out the other end, but it actually works.

Paleobiologists have found that the sinuses of ocean dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and dolphins.

An international team of paleobiologists have found that the sinuses of ocean dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and dolphins.

Your sinuses work as a filter, creating mucus that drains around your head and nose to remove bacteria. When sinuses become blocked and filled with mucus, they cannot drain properly and become a ...