Answer:
No, it is not the same thing.
Explanation:
Overweight is like few pounds or a bit more than a few pounds than it's average weight. Obese is no doubt about like if you have an average weight than you look what the thing really weighs, it it shows so much more weight than the one that is being weighed means it is obese.
So the enzymes in your stomach are most likely there to help you disguest your food. Also they make sure everything is good in your stomach.