Daniel P. Cardinali, MD, PhD is an expert in pineal physiology, melatonin and circadian rhythms. Dr. Cardinali got his MD and PhD degrees with honors at the Salvador University, Buenos Aires. Since 1971 he has been a Research Career Awardee of the Argentine National Research Council and from 1986 to 2008 he was the Professor of Physiology at the Faculty of Medicine, University of Buenos Aires. He is presently Director of the Department of Teaching & Research, Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, and Professor Emeritus, University of Buenos Aires. Dr. Cardinali's fields of interest include the Physiology and Pharmacology of Melatonin and Biologic Rhythms, in particular their relationships with Sleep Medicine. To date, Dr. Cardinali has published more than 450 scientific papers and 105 invited review articles in books. He has also edited 25 scientific books and special issues.Daniel's Blog (Spanish)Daniel's Book: 50 Years of Melatonin and the Stone of MadnessFind my work here.