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 or epilepsy (affecting behaviour and mood) as factors that may possibly trigger an episode of mental illness. Family-linkage and twin studies have indicated that genetic factors often play an important role in the development of mental disorders. The reliable identification of specific genetic susceptibility to particular disorders, through linkage or association studies, has proven difficult. This has been reported to be likely due to the complexity of interactions between genes, environmental events, and early development or to the need for new research strategies. The heritability of behavioral traits associated with mental disorder may be greater in permissive than in restrictive