University College London Jul 12 2025 How major organs work together to manage extreme physiological stresses such as lack of oxygen and sleep has been mapped for the first time by researchers from UCL and the University of Portsmouth. The study, published in the Journal of Physiology, aimed to find out what happens inside the body when people are tired, out of breath, or oxygen-deprived, by mapping how different parts of the body communicate during stress, potentially paving the way for