年华老去,青春不再。一般人对于“衰老”的理解,几乎都是以日历上的年龄的依据。不过,生物学家却以身体机能的情况来界定衰老的情况,而今天,人们更以头脑的健全程度来决定一个人的“青春”。下面介绍保持头脑年轻的几大原则:1.年轻时期的学习是加速头脑运转、锻炼理解力和灵活性的基础。2.自己读书比听来的学问更重要。人退休后的生活很悠闲,这时最容易引起头脑退化,应该坐下来看书学习,让头脑得到练习机会。3.动脉硬化是最大的 Old age, youth is no longer. Most people’s understanding of “aging” is based on the age of the calendar. However, biologists define the condition of aging in terms of their body functions. Today, people are more likely to decide one’s “youth” by their mental health. Here are some of the major principles of keeping your mind young: 1. Young learning is to speed up the brain, exercise comprehension and flexibility of the foundation. 2. Reading is more important than listening. After retirement, life is very leisurely, when most likely to cause the mind to degenerate, you should sit down and read a book study, so that the mind to get practice opportunities. Arteriosclerosis is the largest