Is keeping healthy a verb or a noun? It originally refers to a medical activity to maintain life, enhance physical fitness and prevent diseases through various methods, thus prolonging life. Raise, that is, the meaning of nursed back to health, maintenance and tonic; Life means living, surviving and growing. In the modern sense, "health preservation" refers to the active physical and mental maintenance activities for material and spirit according to the laws of human life process.
Maintenance refers to following the law of life, through moderate exercise, plus external care and other means, so that the body function and external skin can rest and restore their due functions, which is the first level of health care;
Self-cultivation refers to broadening one's horizons, understanding one's mind and broadening one's knowledge. Through the cultivation and promotion of one's own moral quality, one can get a kind of physical and mental rest and accomplishment, so as to achieve the purpose of self-cultivation. Nourishing refers to nourishing and conditioning the whole body according to the laws of the four seasons of heaven and earth, so as to achieve the purpose of preventing diseases and prolonging life.
Ancient Chinese vocabulary. Refers to China 1840 before the Opium War, all of which belong to ancient times; From 1840 to 1949, People's Republic of China (PRC) was founded in modern times, and it is contemporary after 1949. Generally, it also includes the primitive commune system era. Due to the imbalance of historical development, there is no unified time limit in the world. Egypt, two river basins, China, India, Persia, etc. , are from the 30th century BC to the first few centuries (different countries). Greece and Rome, about the eighth century BC to the fifth century AD (AD 476).