Cord blood disorders is speculative, some research has been done in other areas. Any such potential beyond blood and immunological uses is limited by the fact that cord cells are hematopoietic stem cells (which can differentiate only into blood cells), and not pluripotent stem cells (such as embryonic stem cells, which can differentiate into any type of tissue). Cord blood has been studied as a treatment for diabetes. However, apart from blood disorders, the use of cord blood for other diseases is not in routine clinical use and remains a major challenge for the stem cell community. Along with cord blood, Wharton's
History of mental disorders the very epitome of rational thought and as the founder of philosophy, Socrates freely admitted to experiencing what are now called "command hallucinations" (then called his 'daemon'). Pythagoras also heard voices. Hippocrates (470–ca. 360 BC) classified mental disorders, including paranoia, epilepsy, mania and melancholia. Through long contact with Greek culture, and their eventual conquest of Greece, the Romans absorbed many Greek (and other) ideas on medicine. The humoral theory fell out of favor in some quarters. The Greek physician Asclepiades (ca. 124–40 BC), who practiced in Rome, discarded it and advocated humane treatments, and had insane persons freed from confinement