American researches revealed that narcotics in small doses decrease suicidal mood of mentally diseased people. Earlier it was said about danger of antidepressants but results of investigations revealed the opposite picture. Group of scientists examined about 65 thousands people, who were on antidepressants. It was found out that in majority of cases suicidal attempts have decreased sufficiently. American researches think that prohibition of narcotics will lead to outburst of suicides among people, who need antidepressants.