Is the data of Ganxiang Science and Technology Sub-health Evaluation Instrument reliable?

Sub-health detector is not credible. Sub-health state is mainly physical and mental fatigue syndrome, which is a state between health and disease. Generally, it is caused by deficiency of both heart and spleen, such as fatigue, depression and loss of appetite. Does not meet the clinical or subclinical diagnostic criteria of modern medicine, and can only be diagnosed by medical history, symptoms, inner feelings and scale evaluation. The indicators measured by instruments alone are not credible.