I was concerned about taking Chantix because it is a mind altering drug. 두 번째 주 팩을 하루에 하나씩 약 7일간 사용하다가 잠을 못 자거나 집중할 수 없어서 중단했습니다. The cartridges should be kept at room temperature before use, to help deliver the nicotine more quickly.