Fact 1: Smoking tobacco decreases stamina.

Fact 2: Tobacco is most commonly smoked in cigarettes.

Given the two facts above, answer the question "Which of the following can decrease stamina?" with the following options: 
- toxins
 - smallpox
 - Dehydration
 - liver cancer
 - Weight
 - hypothyroidism
 - Cigarettes
 - uncontrolled


 

       Cigarettes  