The Presidential Daily Brief


  1. dad and baby

    Dads May Pass Down Poor Diets

    Parents really do carry the weight of the world. A new study has found that sperm carry different chemical tags depending on whether a father is obese or lean — and the tags appear to be affected by dad-determined behaviors like diet and exercise, signaling the next generation about the availability of food. It’s the first time chemical tags have been identified in sperm, and while researchers say the findings are preliminary, they could open new avenues of inquiry on obesity — and encourage future dads to get off the couch.

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