The Air Force Safety Center is a Field Operating Agency with headquarters at Kirtland Air Force Base, N.M.
The Finnish researchers are unsure why the use of a pacifier might lead to an ear infection, but theorized it may have something to do with the change in pressure equilibrium inside the ear caused by the sucking.
The most common triggers of plugged ears are: 1  Ear Wax. 2  Blocked nose. 3  Cold. 4  Sinus infection. 5  Allergy. 6  Accumulation of water within the ear. 7  Changes in atmospheric pressure while travelling in an airplane. 8  Blockage in the Eustachian tubes.