Answer:
Tar in cigarette smoke paralyzes the cilia in the lungs and contributes to lung diseases such as emphysema, chronic bronchitis, and lung cancer. The concentration of tar in a cigarette determines its rating. does this help???
Explanation:
1) you could see an doctor
2) stay away from things that can make you sick
if you trying to sleep u should not drink coffe or soda
the answer is A. increased stress