Figure 2 from paper (IMAGE) University of Sydney Caption Fan use recommendations according to proposed biophysically modelled humidity-dependent temperature threshold curves for healthy younger and healthy older adults. Credit Reprinted from The Lancet Planetary Health, authored by the University of Sydney, Fan use recommendations according to proposed biophysically modelled humidity-dependent temperature threshold curves for healthy younger and healthy older adults based on the peak and 95th percentile environmental conditions recorded between Jan 1, 2007 and Dec 31, 2019, Copyright (2021), with permission from Elsevier. Usage Restrictions Ensure credit is used License Licensed 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.