Prevention is the act of preventing bad things from happening in advance, and in medicine, it is used as a counterpart to treatment. Until now, the focus in Japan has been on curative medicine, which treats diseases after they have developed, but in order to reduce health care costs and to promote the development of new drugs and treatments that are more effective, the concept of prevention is being used.healthtarget nationlivingIn the trend toward "prevention of disease," interest has shifted to preventive medicine. Preventive medicine today consists of two perspectives: prevention of the occurrence of injury or disease and prevention of the exacerbation of disease, the former beingareaand society, while the latter is aimed at the practice setting.
Prevention in healthcare can be divided into three categories Primary prevention is the act of preventing the occurrence of disease,healthIt is divided into promotion and specific prevention.healthFor promotionone's lifestyleimprovement, and specific prevention includes vaccination, accident prevention, occupational disease control and pollution control. Secondary prevention is the early detection and treatment of diseases that are difficult or costly to treat if they become severe, and can be divided into early detection and early treatment. Early detection includes health checkups (screening) and physical examinations, while early treatment includes clinical treatment. Tertiary prevention is the act of returning to society after a serious illness, and includes prevention and treatment of functional decline,rehabilitationare included in this category.nursingIn the "National Nursing Program", nursing activities are being developed at all levels of primary, secondary, and tertiary prevention, and in these three levels, the public'shealthThe company contributes to the

References
(1) Karen Glanz, Frances Marcus Lewis, Barbara K. Rimer (eds.)/Tomofumi Sone, Motoi Watanabe, Tomoyuki Yuasa, et al. (translators): Health behavior and health education: theory, research and practice, Igaku Shoin, 2006.
(2) Kinsuke Tsuda (Author): Kyodai Popular Lecture Series: Health Science - Preventive Medicine You Should Know, Maruzen, 2003.
(3) Geoffrey Rose (Author) / Kenji Soda, Heizo Tanaka (Supervisors): Strategies for Preventive Medicine: Measures against Lifestyle Related Diseases and Health Promotion, Igaku Shoin, 1998.