年近九十的杨振宁教授说:“一些著名的医学专家对现代人的通病进行了研究,提出了2l世纪养生的新方法。对此,我是赞同的。”这些养生的方法具体是:沐浴阳光:适时的阳光照射可以改变大脑中某些信号物质的含量,其中令人入睡的信号物质将减少,而令人清醒的信号物质将增加,使接 Professor Yang Zhenning, who is nearly 90 years old, said: “Some well-known medical experts have studied the common problems of modern people and put forward new methods of health preservation in the 21st century.” In this regard, I agree with these methods of health preservation : Bathing the Sun: Timely sunlight can change the content of certain signaling substances in the brain, including the signal substances that make you sleep more, while the sobering signal substances increase,