꽁머니와 현대인의 정신건강의 연관성
?? ???? ??? ???? ??? ?????, ??? ???? ???? ????? ??? ??? ?? ????. ???? ???? ??? ??? ?? ?? ???? ?? ????, ??? ??? ??? ? ?? ??? ???? ??????. ??? ???? ?????? ???? ??? ???? ?????? ??? ???? ???? ??? ? ??? ? ??? ??? ????.
?? ??? ??? ???? ???, ?? ?? ?? ???? ????? ???? ???? ????. ??? ???? ??? ???? ???? ??