It has brought a heavy burden to the health system. In fact, it is estimated that more than 300 million people worldwide suffer from depression. The incidence of depression is almost three times that of developed countries. The overall prevalence rate is very high, and the average prevalence rate in various countries exceeds 6%. It is shocking that the more developed countries have better medical resources and services, the lower the incidence of depression, but the incidence is higher than other underdeveloped countries. Depression is not directly related to economic conditions, but more from the psychological comparison gap between oneself and the people around you, that is to say, negative emotions may directly come from the "gap between the rich and the poor".
From June 5438 to last year 10, a study by Shimizu Medical University in Japan subverted people's long-term view of depression. Depression may be caused by HHV-6, which is very common in human beings, rather than the emotional disorder we have always thought. Iceland, another beautiful Nordic country with a high happiness index, turns out to be the largest consumer of antidepressants in the world. Iceland often has only five hours of sunshine, which some people say is the reason why it has the most depressed patients in the world.
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