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.
The causes of bright green diarrhea arises due to the following reasons. 1  High amounts of bile acids produced from the gall bladder. 2  Below threshold absorption of bile acids through the entero-hepatic system. 3  In infants, bright green diarrhea occurs within the first week after the meconium.  High intake of broccoli.