Jonathan Stamler, MD (IMAGE) University Hospitals Cleveland Medical Center Caption “Our textbooks focus on how much oxygen is carried in the blood. But this work reveals, for the first time in humans, that it’s really not about oxygen, but about nitric oxide when it comes to delivering oxygen. Critically, the nitric oxide must be carried by hemoglobin, in the form of S-nitrosohemoglobin, to be effective. This opens up an entirely new line of drug development,” said Jonathan S. Stamler, MD, senior author of the study. Credit Harrington Discovery Institute Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.