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February 1, 2007Health
Graft and Host, Together Forever: Thomas E. Starzl pioneered organ transplantation with antirejection drugs--an approach he hopes to end through a phenomenon called microchimerism; Marguerite Holloway; February 2007; 10.1038/scientificamerican0207-32

February 1, 2008Health
Your Cells Are My Cells: Many, perhaps all, people harbor a small number of cells from genetically different individuals--from their mothers and, for women who have been pregnant, from their children. What in the world do these foreigners do in the body?...; J. Lee Nelson; February 2008; 10.1038/scientificamerican0208-72

April 13, 2014Health
Genetic Chimeras: Are You Your Own Twin?: This weeks post is a guest post from the wonderful E.E. Giorgi of Chimera blog I AM MY MOTHER'S CHIMERA. CHANCES ARE, SO ARE YOU For years now the concept of a "genetic chimera" has sparked the imagination of writers: the idea that an individual could harbor his/her own twin is creepy and intriguing at the [...]..; S.E. Gould

April 30, 2010Health
Beyond Birth: A Child's Cells May Help or Harm the Mother Long after Delivery: In addition to all of the nutrients flowing from mother to fetus, some of the developing child's cells pass back into the mother's body. New research shows how this fetal microchimerism may affect long-term health...; Nancy Shute

July 1, 2007Evolution
All in the Family: Paternity shocker: marmoset twins pass on each other's genes; Christine Soares; July 2007; 10.1038/scientificamerican0707-30

December 4, 2012Mind
Scientists Discover Children’s Cells Living in Mothers’ Brains: The connection between mother and child is ever deeper than thought; Robert Martone

November 3, 2003Health
Why are blood transfusions from strangers not rejected, like transplanted organs can be?

August 8, 2016Biology
3 Human Chimeras That Already Exist: Some people—such as fetuses that absorb a dead twin—have two sets of DNA; Rachael Rettner and LiveScience

May 8, 2010Health
Birth of a Bond: Illustrating a Year of Mother and Baby Development: From embryo to infancy, biologically accurate illustrations from theVisualMD.com illuminate changes in mother and baby as the two grow and develop together; Katherine Harmon

Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine