People no longer communicate face to face. The invention of mobile phone has brought great convenience to human communication, but it has reduced human face-to-face communication in real life.
3. The number of nearsighted people is increasing rapidly. Computers and mobile phones have undoubtedly brought great convenience to people, but their popularity has also made more and more people nearsighted. Some children are nearsighted at a young age.
With the development of science and technology, the appearance of automobiles, trains, airplanes and other means of transportation has greatly changed the daily life of human beings, who no longer always rely on their own legs, so the physical quality of human beings can't be compared with before.
5. Various emerging germs are constantly emerging, and the lethality of many germs has far exceeded the destructive power of previous germs. This is because the rapid development of medical technology has accelerated the mutation of the virus.