The liver is an internal organ that holds many important functions of the body. Liver pain is a sign of many different liver diseases, and identifying the cause can help monitor and treat the disease accurately.

In theory, the process from when treated water from the plant reaches the consumer must comply with strict safety standards and must not contain any harmful substances that pose health risks. However, in practice, abnormalities in clean water sources can still occur due to issues in the water treatment process, such as the recent water contamination incident in Hanoi. The most pressing concern now is how to identify safe drinking water and how to respond when clean water sources are polluted.