Just Before the invention of HeLa cells, researchers were unable to ascertain tissue cultures with any reliability or steadiness. In excess of six many years later, this cell line continues to be alive and currently being used for professional medical study. See Eye on Ethics: The Immortal Cell Line of https://www.facebook.com/NewTechFind/posts/pfbid02jVHw9oPUMcEx1Q6mfMKNGFpDRPfyTA3n574jYcFjAkc9PTaKW8Hn7LbdUJ3iFc3bl