D. The food is high in saturated fat
Answer:
well your feet will stink first off but here is what i found
What happens if you use your running shoes without socks? You'll reduce your shoe life due to sweat damaging the lining and insole. You'll be more apt to get blisters or abrasions from the shoe stitching. Your shoes will, sooner or later, smell so bad that even you won't want to be in the same room with them.
The answer is D) More I sumlin is released into the bloodstream.