We should know that 100 years ago, Japan through the Meiji Restoration has long been realized out of Asia into Europe when our country is still in feudal society, coupled with the small Japanese 731 troops with human experiments yielded valuable data, so Japan's medicines and cosmetics, the world is also second to none.
To give the simplest example, many diseases, in our existing medical conditions, you have money is useless, can not be treated, can only wait for death. But go to the hospital in Japan or the United States, perhaps not a big disease, can be effectively treated and cured, otherwise why a little bit of ability to immigrate?