| | Conditions & Treatments | Blood Disorders Is Jennifer Anistons blood type O Rh Negative? Jennifer Aniston's blood type has never been made public knowledge, so it is impossible to say whether or not it is O Rh Negative. Blood Disorders - Related Articles A patient with a disease of which organ will have low levels protein albumin? Test for Serotonin What does red cross do to avoid infected blood donation? What conditions can diagnosed using a CBC blood test? Treatment for Low White Blood Cells Melamine Poisoning Symptoms Natural Hypertension Cures