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Research refutes theory linking family income, genetics, brain development

Research refutes theory linking family income, genetics, brain development

Health
Nov. 17 (UPI) -- Researchers have debunked a popular theory linking socioeconomic status, genetics and cognitive development.Several studies have suggested genetics have a stronger influence on brain development among children from more affluent households. Some scientists have suggested the link between wealth and genetic influence is especially strong in the United States.But new analysis of birth and school records suggests the influence of nature and nurture -- genes and environment -- are the same for everyone, regardless of socioeconomic status.Researchers published their findings this week in the journal PNAS."While children from higher socio-economic status backgrounds have much better cognitive outcomes on average than those from lower socio-economic status households, genetics ap...