According to the World Health Organization, around 400 million people in the world are affected by mental illness. On behalf of this organization, expert Benedetto Saraceno pointed out that currently depression occupies the fifth place among diseases and will be the second for the year 2020. According to this expert, mental diseases in the developed world account for 11% of all diseases, "and in the next two decades they will reach 14%".
Although depression is the most widespread mental illness in developed countries, the first place in the poor is for epileptics and the backward. According to the WHO, alcoholism is also at the height of the most serious diseases, as it affects 140 million people. In addition, in the world there are 45 million schizophrenics, of which every year one million suicides.