The Atlantic
8 months agoHealth
The Most Mysterious Cells in Our Bodies Don't Belong to Us
During pregnancy, fetal cells can cross the placenta and enter the mother's body, where they can integrate into her organs and tissues.
These fetal cells can remain in the mother's body for many years, possibly for a lifetime, and have been found in various organs such as the heart, lungs, breast, colon, kidney, liver, and brain. [ more ]