Scientists have linked artificial feeding with left-handers Once the person is right-handed or left-handed, affects the type of feeding in the first year of life, American scientists have found. Among those who were bottle-fed, left-handers was greater than among those who were breast-fed. This may be due to the hormones that are produced in breast-feeding mother and child. The child receives nourishment in the first year of life — from a bottle or is breastfed, influences what he will be left-handed or right-handed, discovered epidemiologists at the University of Washington Philip Jewel. The study was published in the journal Laterality: Asymmetries of Body, Brain and Cognition. NewsLefties put the phone to the left ear even if they are uncomfortable The researcher conducted a meta-analysis of seven works from Ireland, Australia, USA and other countries, covering more than 60 thousand infants born in the years 1951-2011 and their mothers. It turned
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