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.
Both bacteria and viruses can cause ear infections, which commonly occur in babies and small children. Urinary tract infection (UTI) is a bacterial infection of the bladder, urethra, kidneys, or ureters.