The whole SK phenomenon has defied explanation. What makes a psychopath? Both nurture and nature are inadequate to explain because siblings are so often normal or at least not as messed up as the subject.
Now comes the new science of epigenetics. The idea is that genes can be turned on or off by environmental influences. This can lead to disease and behavioral changes!
Eventually the whole thing may come down to something as mundane as what vegetables JtR's mom ate during her pregnancy.
For more info, see this link: http://www.ehponline.org/members/2006/114-3/focus.html
Now comes the new science of epigenetics. The idea is that genes can be turned on or off by environmental influences. This can lead to disease and behavioral changes!
Eventually the whole thing may come down to something as mundane as what vegetables JtR's mom ate during her pregnancy.
For more info, see this link: http://www.ehponline.org/members/2006/114-3/focus.html
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