Political abuse of psychiatry in the Soviet Union gay parades and the use of veiled schemes to lay off openly lesbian and gay persons from schools, child care centers, and other public institutions. The chief psychiatrist of Russia Zurab Kekelidze in his 2013 interview to Dozhd says that a part of the cases of homosexuality is a mental disorder, he counters the remark that the World Health Organization removed homosexuality from the list of mental disorders by stating that it is not true. Homosexuality, which is a mental disorder, was continuously defined as such by the Independent Psychiatric Association of Russia in 2005 when its president Savenko expressed
Causes of mental disorders animal studies, and some inconsistent evidence for infectious and immune mechanisms (including prenatally) in some human disorders, infectious disease models in psychiatry are reported to have not yet shown significant promise except in isolated cases. There have been some inconsistent findings of links between infection by the parasite Toxoplasma gondii and human mental disorders such as schizophrenia, with the direction of causality unclear. A number of diseases of the white matter can cause symptoms of mental disorder. Poorer general health has been found among individuals with severe mental illnesses, thought to be due to direct and indirect factors including diet,