How Can I Protect My Digestion

How can I protect my digestion? I think the best way is to eat proper and exercise. Because, I think if I were to eat the improper foods then it would cause my stomach to not feel good, which meaning that my stomach is not digesting the food properly.Also to drink alot of water because it would wash down the food into you stomach and make it easier for the stomach to break down the food faster so it wouldn't take too long. Like if you have too much substance in the sink and its all clump together then it wouldn't wash down the sink until you wash it down with some water. The same goes for your stomach. It would digest the food faster if you add some water to it.