It'seasytotakeyourhearingforgranteduntilit'stoolate．Withthewide（16）___（popular）ofdigitalentertainmentproducts，itisnotuncommontoseepeoplewearingheadphonesandlisteningtomusic（17）___runningintheparkorusi

　　It'seasytotakeyourhearingforgranteduntilit'stoolate．

　　Withthewide（16）___（popular）ofdigitalentertainmentproducts，itisnotuncommontoseepeoplewearingheadphonesandlisteningtomusic（17）___runningintheparkorusingpublictransport．Andthevolumeisoftensoloudthatpeoplearound（18）___canhearthemusicaswell．

　　However，doctorswarnthatsuchbehaviorcan（19）___（potential）damagetheirhearing．"Innoisyplaces，peopletend（20）___（turn）thevolumeuptogetthesameclarityofsound．Unfortunately，thatcandamagethehearing（21）___peoplebeingawareofit，"saidFengYongfeng，chiefENTphysicianatBeijingTian'anHospital．

　　AfterSpringFestival，thehospitalwitnessed（22）___slightincreaseinthenumberofteenagerscominginwithhearingproblems，（23）___Fengattributedtothemwearingheadphonesathomeforlongperiodsduringtheholiday．Fengsaidbothin-earandoverheadheadphonescanharmtheearsand（24）___（advise）againstusingthemforlongperiods．Hesaidifyoudouseheadphonesitisworth（25）___（invest）inthehighestqualityyoucanafford．