Historical experience tells us that the world economic crisis is often accompanied by great changes in the world: the electrical revolution after the world economic crisis in 1857 promoted human society from the steam era to the electrical age; in 1929, the world economic crisis triggered the second World War, which objectively promoted the development of science and technology
It can be seen that it is the economic crisis that has brought about great changes in the world
Incorrect sitting posture will increase the burden on the neck, so it is the main cause of backache