According to an investigation by the World Health Organization (WHO), the main causes of sub-health are pressure and lacking of exercise.

Sub-health can be classified into the following types(    ).

亚健康（sub-health），只可以向疾病转化

The object of health education is A: All of the people B: Healthy people C: Sub healthy people D: Patients

Sub-health is a grey period between healthy conditions and disease or unhealthy conditions.

Public health incorporates the interdisciplinary approaches of epidemiology, biostatistics and health services. Environmental health, community health, behavioral health, health economics, public policy, mental health and occupational safety and health are other important subfields.

Health communication and health information technology enables health professionals and the public to search for, （　　　） , and use health information to significantly impact their health decisions and actions.

linked up with the National Health Service (NHS) in the UK to ______ advice capability A: add a health B: adder health C: ad a health D: add the health

A. The Importance of Health InsuranceB. The Definition of Health InsuranceC. The Purpose of Each Kind of Health InsuranceD. In Some Countries There Are No Health CareE. Health Insurance Covers a Lot of CostsF. The Advantages of Health Insurance Paragraph 4 ______.

Public health is the approach to medicine that is concerned with the health of the community as a whole. Public health is ____________ health.