Question

All of the following are mental or physical benefits of exercise except


A. better quality of sleep.
B. improved mood.
C. higher self-esteem.
D. increased stress.

Answer 1

If you worked out more often it would help your sleep quality, your mood, and your self-esteem. 
I would say the best answer would be
D. increased stress
The others wouldn't make much sense. 

Answer 2

D. Increased stress


Hope this helps : )