How It Works: When you are congested your first instinct is probably to blow your nose, but blowing your nose can create a buildup of excess pressure in sinus cavities. (theeverygirl.com)
Showing me where her sinus hurt, she placed two fingers below her left eye, over the maxillary sinus, the largest of three pairs of sinus cavities. (discovermagazine.com)
Fowler's Four - Alarm Chili is reputed to open eighteen sinus cavities unknown to the medical profession.» (fieryfoodscentral.com)