title: [The effect of the duration of daylight on human hormonal and biochemical indices in the north].
abstract: Change of the duration of the light day was shown to tell on biochemical and hormonal parameters in humans living on the North. The contents of T3 significantly increased in peripheral blood, the levels of insulin and urea decreased in March and October. Complex rearrangements of the metabolism in the course of year specific for high latitudes were revealed in humans.
authors.affiliation: Filial Branch of the Institute of Physiology, Ural Branch of the Russian Acad. Sci., Arkhangelsk.
authors.forename: E R
authors.initials: ER
authors.lastname: Boĭko
authors.forename: A V
authors.initials: AV
authors.lastname: Tkachev
mesh_terms: D000328:Adult; D001110:Arctic Regions; D001769:Blood / Q000378:metabolism*; D003081:Cold Climate; D006728:Hormones / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009664:Norway; D017440:Photoperiod; D012621:Seasons; D013997:Time Factors
chemical_list: D006728:Hormones
vernacular_title: Vliianie prodolzhitel'nosti svetovogo dnia na gormonal'nye i biokhimicheskie pokazateli u cheloveka na Severe.