축배를 들어야 할 일이죠. 원인 교통, 직장 내 독소, 가정용 가구. 증상 기침, 숨가쁨, 수면 장애.

Which is something to toast to, surely. Cause Traffic, workplace toxins, home furnishings. Symptoms Cough, shortness of breath, disrupted sleep.