tobacco, health

2. group of people for which a product is intended
7. nonsmoker who breathes in secondhand smoke
9. symptoms a person experiences when they stop using an addictive substance
10. stopping all use of tobacco products immediately
12. mental or physical need for a drug or other substance
14. colorless, odorless, poisonous gas created when tobacco burns
16. return to the use of a drug
17. dark thick liquid that forms when tobacco burns
18. finely ground tobacco that is inhaled or held in mouth
20. paid arrangement a company has made to show its products in media such as television

1. air that has been contaminated by a smoker
3. need for larger and larger amounts of a drug to produce the same effect
4. tiny air sacs in the lungs
5. capable of causing a user to develop cravings
6. advertising campaigns in which a product is promoted at a store's checkout counter
8. smoke that comes from the burning end of a cigarette
11. smoke that is inhaled and then exhaled by a smoker
13. disease that causes the destruction of alveoli
15. passageways that branch from the trachea to each lung
19. an addictive drug