Studies raise questions over how epigenetic information is inherited

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Evidence has been building in recent years that our diet, our habits or traumatic experiences can have consequences for the health of our children -- and even our grandchildren. The explanation that has gained most currency for how this occurs is so-called 'epigenetic inheritance' -- patterns of chemical 'marks' on or around our DNA that are hypothesized to be passed down the generations. New research suggests this mechanism of non-genetic inheritance is likely to be very rare.

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