Your cells might be in your mom's brain, science finds12/5/2012
Ever say, "I'm turning into my mother?" Turns out it may be a mutual thing. Researchers have found cells in women’s brains that appear to have come from their babies. Scientists have known about these "microchimeric" cells for years, but until thought they only circulated in the blood. The cells may come from babies in utero, be shared between gestating twins, delivered to siblings via placenta leftovers (you with your big sister's cells), or exchanged via nursing. Whatever the case, they appear to mostly be do-gooding cells – possibly repairing the heart or fighting cancer – so maybe after years of diapers, you're giving back to mom too. [Source]
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