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Alternative Medicine - - Health News & Tips -

To see which plays a greater role in de­ter­min­ing im­mune sys­tem dif­fer­ences, re­searchers an­a­lyzed the im­mune sys­tems of iden­ti­cal twins (who share al­most all their genes) and fra­ter­nal twins (who share about half their genes). In about 75 per­cent of the more than 200 im­mune sys­tem pa­ram­e­ters that were mea­sured, non-her­i­ta­ble in­flu­ences out­weighed hered­ity and al­most ex­clu­sively de­ter­mined more than half the pa­ram­e­ters. This sug­gests that en­vi­ron­men­tal fac­tors drive many variations in the de­vel­op­ment of the im­mune sys­tem—and have way more im­pact than our genes. Source: Cell

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