Health care means protecting health. It also refers to the comprehensive measures taken by medical institutions to protect and improve human health and prevent diseases. That is, health preservation refers to the technology and method of reasonably selecting health care methods such as nourishing the mind, regulating diet, exercising, having sex with caution, and keeping warm and cold, and through long-term exercise and practice, achieving the purpose of maintaining the body, reducing diseases, improving health and prolonging life. In short, all activities that promote health and prolong life are fitness activities.

Maintenance means: 1. Protection and cultivation; Protection and cultivation; 2. Protection and recuperation; 3. Protection and maintenance to keep it in normal condition.

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