You are presented with the question "What do cigarettes cause?" and the following answer choices: 
- circulatory systems
 - a lot of human deaths
 - increased health of lungs
 - increased stamina in life
 - Something that causes allergies
 - guaranteed longer life
 - harmful substances
 - direct damage to the lungs

Now knowing that smoking causes direct damage to the lungs and smoking Cigarettes smoking is habit-forming, choose the best answer.


 

        direct damage to the lungs 