你是“眼镜族”吗?科学家最近对近视的成因提出了一个全新的见解--多进行户外活动不但有益身心,对视力也有一定的帮助哦!为什么近视在现代社会中如此常见?在20世纪70年代初,25%的美国人患有近视;30年之后,这个比例上升到42%,在全球范围内也有同样的上升趋势。有明显证据表明近视会遗传,于是你也会纳闷,当我们近视的祖先撞上一只饥饿的狮子时,为什么没有从基因库中淘汰呢?尽管基因确实会影响我们的命运,但它并不是唯一因素。 You are “glasses family ”? Scientists recently put forward a new idea of ​​the causes of myopia - more outdoor activities not only beneficial to the body, have some help on vision Oh! Why myopia is so common in modern society? In the early 1970s, 25% of Americans suffered from myopia; after 30 years, the proportion rose to 42%, with the same upward trend globally. There is clear evidence that myopia will inherit, and you wonder why our nearsighted ancestors crashed into a hungry lion without getting out of the gene pool. Although genes do affect our destiny, they are not The only factor.