For more details on this topic, see deuterium. A deuterium atom contains one proton, one neutron, and one electron. 2H (atomic mass 2.013553212724(78) u), the other stable hydrogen isotope, is known as deuterium and contains one proton and one neutron in its nucleus.
The caffeine in green tea, especially when taken in large amounts, can worsen diarrhea. Irritable bowel syndrome (IBS) : Green tea contains caffeine. The caffeine in green tea, especially when taken in large amounts, can worsen diarrhea and might worsen symptoms of IBS.
They cause indigestion by stimulating the production of gastric acid. Indigestion is often described as a feeling of fullness, bloating, nausea or gassy discomfort in the chest or abdomen. The symptoms develop during meals or shortly afterwards. Tea can also be a problem for those prone to heartburn and stomach ulcer. Heartburn results when gastric acids rise up and spill into the oesophagus causing irritation. Here are some tips on how to deal with green tea and stomach gastric irritation.