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The genes of unrelated others can influence our health and behaviour. New research suggests the genetic make up of our partners can have a profound influence on our lives. Scientists have quantified genetic influence, only in mice at present but the plan is to try to extend this to human interactions. If accepted, this has potentially far reaching consequences for studying heritability and also perhaps modern medicine as the findings suggest an illness can in part be influenced by those we live with. Dr Adam Rutherford finds out more. First broadcast on ÃÛÑ¿´«Ã½ Inside Science, 26 January 2017.
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