First: in vitro bacteria, virus attacks incursions into the human bodys own cells to multiply, leading to human diseases, accounting for 10%.

Second: the supply of immune cells of malnutrition, caused by immune cells declining, the decline in immunity that is dysfunctional, resulting in weak immune cells, were outnumbered, and unable to kill the invading bacteria, viruses, the mutation will be unable to swallow, split, copy themselves indefinitely And then the formation of tumors, cancer cells, causing human disease. In addition, immune system disorders, immune cells make many wrong judgments, it will be protected, cells or organs to declare war, the result is a self-immune diseases. The medical profession has confirmed that 90% of the disease directly related to the immune system.