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.
As food passes through your digestive tract, digestive enzymes break down the bile, resulting in various shades of brown stool. When a disease or condition causes diarrhea, food passes through the digestive tract rapidly, and stools may be green because digestive enzymes did not have time to turn the stool brown.