Sniffle. Sniffle. Sniffle. Your nose is a faucet, and there’s no way to turn it off. Your coworkers shoot you irritated looks as you clear your throat (again). Your box of tissues has become your closest companion (and admit it — your sleeve has been called in to pinch hit on a couple of terrible occasions). Why is your nose constantly running? We talked to ear, nose and throat (ENT) physician Tony Reisman, MD, to find out what your sniffles mean — and what you can do about them.