You are what your grandmother ate

Parents' own prenatal environment has a detectable impact on their children's weight, new research indicates.

Mothers who are malnourished in utero tend to produce smaller babies, while a father's malnourishment in utero results in his offspring being smaller by the time they are two.

The findings come from an experiment of nature in rural Gambia, which ruled out confounding socioeconomic factors that could influence babies’ growth across generations.

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