1. Health means that a person is in a good state in three aspects: physiology, psychology and social adaptation.
2. Due to different cultural systems and medical purposes, medical models have different styles, concepts and norms in medical theory teaching and clinical practice. After the introduction of western medicine into China, there was a discussion about the medical model. No matter from different angles, the medical models of traditional Chinese medicine and western medicine are different. For example, traditional medicine belongs to the categories of life medicine, human medicine, ecological medicine and health medicine. Biomedicine belongs to the categories of evidence-based medicine, disease medicine, physical and chemical medicine and antagonistic medicine.
3. The standard of aging is that when the proportion of the elderly population aged 65 and above in a country or region exceeds 7% or the proportion of the elderly population aged 60 and above exceeds 10%, it means that this country or region is aging. Aging refers to the trend that the number of young people decreases and the number of old people increases due to the decline of fertility rate and the increase of average life expectancy, and the proportion of old people in the total population increases.