当你从工作岗位上退下来后，开始了自己的“第二人 生”，这是生活历程中的一个重大转折。在家的时间多了，“代沟”显现出来，为儿女的操心和叮咛，却落得个“不合时宜”的下场，你会想难道自己真的老不中用了吗?岁月无情，体力、智力日衰，各种疾病也常常袭来，你会担心一旦失去生活自理能力，岂不成为家庭和社会的包袱?生活节奏慢下来，交往减少了，一种不可名状的孤独和寂寞悄然而来，你会想今后的生活还有什么光彩?这种种心态，也许正困扰着你的生活，而这时我们多想告诉你这是由于缺乏心理准备，对老有所为缺乏信心所致，也多想告诉你老年人有得天独厚的优势，正是满目青山夕照明。只要你愿做发挥余热的有心人，做好身体保健，必定能有建树。为此，我们为你编写了《中老年保健》一书。《中老年保健》全书共分十一部分，有中老年常见病防治、医药与健康、饮食与健康、运动与健康、环境与健康、心理与健康、矿物质与健康、中老年性生活与保健、嗜好与健康、家庭护理知识及附录。老年疾病多是从中年开始的，因此老年保健应从中年做起。我们希望中年朋友及早预防老年病的发生，做到“防患于未然”。该书的编者均是从事医疗保健多年的副主任医师、主任医师，他们从多方面介绍了中老年保健知识。我们相信书中的内容正是你所需要的，有些内容还会对你有新的启示。我们衷心希望该书能成为你的良师挚友，能对你有较大的帮助。（When you retire from the job, you start your own "second life", which is a great turning point in the course of life. When you stay at home for a long time, the “generation gap” appears. You worry so much abut your children and is finally regarded as inappropriate, will you think that you are too old to contribute them? Time and tide wait for no man. The declining of strength and intelligence will come to you as well as all kinds of diseases. You will worry that once you lose the self-care ability of daily living, you will be the burden of the family. When the life pace slows down and the communication reduces, a kind of indescribable loneliness will appear soon. You will worry what color there will be in your life? This kind of mentality may be plaguing your life. At this time, we want to tell you that this is caused by your lack of preparation and confidence. We also want to tell you that the elderly have a unique advantage. It is the time that on all sides, verdant sunset-bathed hills greet the eye. As long as you want to do the heart of the waste heat, good health care, must be able to build a tree. For this reason, we have written for you the book “Health and Fitness for the Elderly”. This book is divided into eleven parts, including prevention and cure of common diseases for the elderly, medicine & health, diet & health, sports & health, environment & health, psychology & health, minerals & health, sexual life of the elderly & health, habits & health, and family nursing knowledge and appendix. Older diseases are mostly from middle age, so health care should start in middle age. We hope that the middle-aged friends to prevent the occurrence of geriatric disease early so as to “prevent the disease in the bud”. The editors of the book are all deputy directors and chief physician who have been engaged in medical care for many years. They introduce health care knowledge of middle and old age from many aspects. We believe that the content of the book is what you need, and some of the content will give you new inspiration. We sincerely hope that the book will become your good friend and help you.）