Exploring Microchimerism: Cells from One Person in Another

Journalist Lise Barnéoud discusses her book "Hidden Guests," which explores the fascinating world of microchimerism. This phenomenon occurs when cells from one person live in another genetically distinct individual. The book sheds light on how this discovery is changing our understanding of genetics, immunology, and evolution, sparking curiosity about the complexities of human biology.

Based on reporting from Live Science. Read the original story →