The Immortal Life of Henrietta Lacks by Rebecca Skloot.
Her name was Henrietta lacks, but scientists know her as HeLa. Born a poor black tobacco farmer, her cancer cells-taken without her knowledge-became a multimillion-dollar industry and one of the most important tools in medicine. Balancing the beauty and drama of scientific discovery with dark questions about who owns the stuff our bodies are made of, this is an extraordinary detective story in search of the soul and story of a real woman, whose cells live on today in all four corners of the world