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.
What Causes Green Diarrhea? What does green diarrhea mean when you have it? The main cause of green diarrhea is the presence of undigested bile. Bile is a greenish brown liquid which is produced in the liver and it is necessary to digest fat in the foods that we eat.