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 conditions are polygenic meaning there are multiple defective genes rather than only one that are responsible for a disorder. Schizophrenia and Alzheimer's are both examples of hereditary mental disorders. The increasing understanding of brain plasticity (neuroplasticity) raises questions of whether some brain differences may be caused by mental illnesses, rather than pre-existing and causing them. Any damage that occurs to a fetus while still in its mother's womb is considered prenatal damage. If the pregnant mother uses drugs or alcohol or is exposed to illnesses or infections then mental disorders can develop in the fetus. According to research, certain conditions,