Early in the morning, my good friend Ms. Wang called, Big good news, she was pregnant. Originally quite happy things, Ms. Wang’s conversation turned, after a short excitement was worried and afraid. It turned out that three days ago, when Ms. Wang did not know she was pregnant, because her stomach was not very comfortable, she went to the hospital and the doctor suggested to check Helicobacter pylori, so she accepted the carbon 14 breath test. But then Ms. Wang heard people say that the capsules swallowed during the carbon 14 breath test had radiation, which was not good for her health and immediately worried. In fact, Ms. Wang’s situation is very common. Many people have some doubts about breath Read More …