There is real scientific evidence that the traumas we experience can be passed on to our children and even our grandchildren. DNA, of course, is the genetic code that determines the shape of our nose, our eye color, our likelihood to contract certain diseases. So when our body is making and remaking itself, every cell in our body actually “reads” our DNA and uses it as a blueprint for what to build. But not every cell reads the entire blueprint—the whole, long string of DNA. Inside each cell is both our DNA—or our genome—and the epigenome, a layer of chemical markers that sits on top of our
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