Fact 1: Smoking tobacco decreases stamina.

Fact 2: Breathing someone else's tobacco smoke can be seriously harmful to one's health.

Given the two facts above, answer the question "secondhand smoke decreases what?" with the following options: 
- nutrients
 - motility
 - stamina
 - Energy.
 - energy
 - Glucose
 - voltage
 - apoptosis


 

   stamina      