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