A mother’s children are never far from her mind – and scientists may have worked out why. They believe that if a woman has a son, some of his cells pass into her body before reaching her brain. And the male DNA may linger there for decades.
A mother’s children are never far from her mind – and scientists may have worked out why. They believe that if a woman has a son, some of his cells pass into her body before reaching her brain. And the male DNA may linger there for decades.
