155 God had a plan

There is an interesting study in JAMA (that's the journal of the American Medical Association--official title) that shows fetal cells remain in a woman's blood stream after pregnancy and help her body repair injured tissues even decades later. Dr. Diana Bianchi, chief of the division of Medical Genetics at Tufts New England Medical Center in Boston, is the lead scientist behind this revolutionary development. Read more about this at Book of Joe, which explains medical events in layman's language. JAMA abstract is here.