Studies raise questions over how epigenetic information is inherited

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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