Select from the following. 1. circulatory systems. 2. a lot of human deaths. 3. increased health of lungs. 4. increased stamina in life. 5. Something that causes allergies. 6. guaranteed longer life. 7. harmful substances. 8. direct damage to the lungs.
Q: Fact 1: Smoking causes direct damage to the lungs. Fact 2: Smoking Cigarettes smoking is habit-forming. Given the two facts above, what do cigarettes cause?
A:
8.