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.
Green Tea Side Effects Alert #1: When you have too much caffeine. Tea contains about half the amount of caffeine found in coffee, so moderate consumption of green tea is unlikely to cause problems for the majority of people.his is another contradicting one ... Drinking green tea may prevent allergy. But it also contains caffeine and tannin that may cause allergy. Tea and Allergy. Green Tea Side Effects Alert #12: Beware of slimming and weight loss teas. There are many kinds of Chinese slimming and weight loss teas.