You are presented with the question "What decreases manual dexterity?" and the following answer choices: 
- Dehydration
 - lifting weights
 - hypothyroidism
 - prolonged thirst
 - working out
 - eating healthy
 - smoking tobacco
 - Abnormal cell growth

Now knowing that smoking tobacco decreases stamina and manual dexterity and physical stamina are vital, choose the best answer.


 

       smoking tobacco  