What You Eat

A small study indicates that a mother's diet around the time of conception can influence the epigenome of her child.

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While this may, indeed,

While this may, indeed, "represent the first demonstration in humans that a mother's nutritional well-being at the time of conception can change how her child's genes will be interpreted," it is hardly a revelation. Innumerable animal experiments clearly reveal that even subtle changes in maternal diet effects fetal development, and anyone thinking these cannot almost directly generalize to humans is pretty foolish.

Don't get me wrong, though, as this is a welcome study, but the really impressive work is yet to be done: what can be done about it? Some animal research suggests that "simple" methyl group additions to a diet in times of deficiency can completely eliminate developmental, epigenetically "caused" problems.