D . None of above everyday lifestyle choices affect your physical fitness
Answer:
D (depressants)
Explanation:
I looked it up!
<em>"A depressant, or central depressant, is a drug that lowers neurotransmission levels, which is to depress or reduce arousal or stimulation, in various areas of the brain."</em>
Sorry if it's wrong, but I hope I helped!
Good luck!
The answer is A stress can lead to increased vulnerability to infections and immune deficiency disorders