When you drink root beer through a straw do you get a tummy ache?

Actually, it's more common with root beer, but drinking ANY carbonated beverages is linked to non-ulcer related stomach pain. More so, it seems, when drinking them through a straw. The reason is that when you drink carbonated beverages without a straw a portion of the carbonation is eliminated, or neutralized, when it reacts to the saliva in your mouth. If you drink carbonated beverages through a straw, quickly, it fills your stomach with a lot of the gas caused when it reacts to the acid in your stomach, stretching the stomach lining and causing discomfort and pain. If you do drink carbonated beverages through a straw, drink them slowly and give your system time to adjust. You may find that your stomach is telling you to slow down, more often than you realize!